diff --git a/Makefile b/Makefile
index 222d2f4..0171423 100644
--- a/Makefile
+++ b/Makefile
@@ -12,6 +12,11 @@ CXXFLAGS= -I$(IDIR) -Wall -pedantic -std=c++17
 ifeq ($(DEBUG),true)
 	CXXFLAGS += -g
 endif
+ifeq ($(STATIC),true)
+	LDFLAGS += -l:libztd.a
+else
+	LDFLAGS += -lztd
+endif
 
 $(shell mkdir -p $(ODIR))
 $(shell mkdir -p $(BINDIR))
diff --git a/README.md b/README.md
index 9214e2f..dce710e 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,7 @@
 
 Map midi signals coming from ALSA midi devices to shell commands  
 
-Soft dependencies: alsa-utils  
-Hard dependencies: aseqdump  
+Dependencies: alsa-utils , [ztd](https://github.com/zawwz/ztd)
 
 ## Installing
 
diff --git a/include/Filedat.hpp b/include/Filedat.hpp
deleted file mode 100644
index f626aaa..0000000
--- a/include/Filedat.hpp
+++ /dev/null
@@ -1,191 +0,0 @@
-#ifndef FILEDAT_H
-#define FILEDAT_H
-
-#include <string>
-#include <vector>
-#include <map>
-#include <iostream>
-#include <fstream>
-
-#include <cstring>
-
-class format_error : public std::exception
-{
-public:
-  format_error(const std::string& what, const std::string& origin, const std::string& data, int where)  { desc=what; index=where; filename=origin; sdat=data; }
-
-  const char * what () const throw () {return desc.c_str();}
-  const int where () const throw () {return index;}
-  const char * data() const throw () {return sdat.c_str();}
-  const char * origin() const throw () {return filename.c_str();}
-private:
-  std::string desc;
-  int index;
-  std::string filename;
-  std::string sdat;
-};
-
-void printErrorIndex(const char* in, const int index, const std::string& message, const std::string& origin);
-inline void printFormatException(format_error& exc) { printErrorIndex(exc.data(), exc.where(), exc.what(), exc.origin()); }
-
-class Filedat;
-
-class AbstractChunk
-{
-public:
-  enum typeEnum { none, val, chunk, list};
-
-  typeEnum type() { return m_type; }
-
-  AbstractChunk() { m_type=AbstractChunk::none; }
-  virtual ~AbstractChunk() {}
-
-protected:
-  typeEnum m_type;
-};
-
-class Chunk
-{
-public:
-  Chunk() { m_achunk=nullptr; }
-
-  Chunk(const char* in)
-    { m_achunk=nullptr; set(in, strlen(in), 0, nullptr); }
-  Chunk(std::string const& in)
-    { m_achunk=nullptr; set(in, 0, nullptr); }
-  Chunk(const char* in, const int in_size,  int offset=0, Filedat* data=nullptr)
-    { m_achunk=nullptr; set(in, in_size, offset, data); }
-  Chunk(std::string const& in,              int offset=0, Filedat* data=nullptr)
-    { m_achunk=nullptr; set(in, offset, data); }
-
-  Chunk(Chunk const& in) { m_achunk=nullptr; set(in); }
-
-  void clear() { if(m_achunk!=nullptr) delete m_achunk; m_achunk=nullptr; }
-  ~Chunk() { clear(); }
-
-  Filedat* parent() const { return m_parent; }
-  int offset() const { return m_offset; }
-
-  void set(const char* in, const int in_size, int offset=0, Filedat* data=nullptr);
-  void set(std::string const& in, int offset=0, Filedat* data=nullptr) { this->set(in.c_str(), in.size(), offset, data); }
-
-  void set(Chunk const& in) { this->set(in.strval(), in.offset(), in.parent()); } // TODO
-
-  std::string strval(unsigned int alignment=0, std::string const& aligner="\t") const;
-
-
-  void addToChunk(std::string const& name, Chunk const& val); //adds if datachunk
-  void addToChunk(std::vector<std::pair<std::string, Chunk>> const& vec); //adds if datachunk
-  void addToList(Chunk const& val); //adds if list
-  void addToList(std::vector<Chunk> const& vec); //adds if list
-  inline void add(std::string const& name, Chunk const& val) { addToChunk(name, val); } //adds if datachunk
-  inline void add(std::pair<std::string, Chunk> const& pair) { add(pair.first, pair.second); } //adds if datachunk
-  inline void add(std::vector<std::pair<std::string, Chunk>> const& vec) { addToChunk(vec); } //adds if datachunk
-  inline void add(Chunk const& val) { addToList(val); } //adds if list
-  inline void add(std::vector<Chunk> const& vec) { addToList(vec); } //adds if list
-  // void concatenate(Chunk const& chk); //concatenates chunks
-
-  Chunk copy() const { return Chunk(*this); }
-  Chunk* pcopy() const { return new Chunk(*this); }
-
-  AbstractChunk* getp() const { return m_achunk; }
-  AbstractChunk::typeEnum type() const { if(m_achunk!=nullptr) return m_achunk->type(); else return AbstractChunk::none; }
-  int listSize() const;
-
-  Chunk* subChunkPtr(std::string const& a) const; //datachunk
-  Chunk* subChunkPtr(unsigned int a) const; //chunklist
-  Chunk& subChunkRef(std::string const& a) const; //datachunk
-  Chunk& subChunkRef(unsigned int a) const; //chunklist
-
-  Chunk& operator[](std::string const& a) const                                 { return subChunkRef(a); }
-  Chunk& operator[](unsigned int a) const                                       { return subChunkRef(a); }
-  Chunk& operator=(Chunk const& a)                                              { set(a); return *this; }
-  inline Chunk& operator+=(std::pair<std::string, Chunk> const& a)              { add(a); return *this; }
-  inline Chunk& operator+=(std::vector<std::pair<std::string, Chunk>> const& a) { add(a); return *this; }
-  inline Chunk& operator+=(Chunk const& a)                                      { add(a); return *this; }
-  inline Chunk& operator+=(std::vector<Chunk> const& a)                         { add(a); return *this; }
-  // inline bool operator*=(Chunk const& a) { concatenate(a); }
-
-  //add operator+ and operator*
-
-
-protected:
-  Filedat* m_parent;
-  int m_offset;
-
-  AbstractChunk* m_achunk;
-};
-
-std::ostream& operator<<(std::ostream& stream, Chunk const& a);
-
-class DataVal : public AbstractChunk
-{
-public:
-  DataVal() { m_type=AbstractChunk::val; }
-  virtual ~DataVal() {}
-
-  std::string val;
-};
-
-class DataChunk : public AbstractChunk
-{
-public:
-  DataChunk() { m_type=AbstractChunk::chunk; }
-  virtual ~DataChunk();
-
-  std::map<std::string, Chunk*> values;
-
-};
-
-class ChunkList : public AbstractChunk
-{
-public:
-  ChunkList() { m_type=AbstractChunk::list; }
-  virtual ~ChunkList();
-
-  std::vector<Chunk*> list;
-};
-
-class Filedat
-{
-public:
-  Filedat();
-  Filedat(std::string const& in);
-  virtual ~Filedat();
-
-  bool readTest() const;
-
-  void import_file(const std::string& path="");
-  void import_stdin();
-  void import_string(const std::string& data);
-  bool export_file(std::string const& path="", std::string const& aligner="\t") const;
-
-  void clear();
-
-  inline std::string filePath() const { return m_filePath; }
-  inline void setFilePath(std::string const& in) { m_filePath=in; }
-
-  std::string strval(std::string const& aligner="\t") const;
-
-  inline Chunk* pchunk() const { return m_dataChunk; }
-  inline Chunk& chunk() const { return *m_dataChunk; }
-
-  inline Chunk* pdata() const { return m_dataChunk; }
-  inline Chunk& data() const { return *m_dataChunk; }
-
-  inline const std::string& stringdata() const { return m_data; }
-  inline const char* c_data() const { return m_data.c_str(); }
-
-  inline Chunk& operator[](const std::string& index) { return m_dataChunk->subChunkRef(index); }
-  inline Chunk& operator[](const int index) { return m_dataChunk->subChunkRef(index); }
-
-private:
-  //functions
-  void generateChunk();
-  //attributes
-  std::string m_filePath;
-  std::string m_data;
-  Chunk* m_dataChunk;
-};
-
-#endif //FILEDAT_H
diff --git a/include/device.hpp b/include/device.hpp
index 6240533..212802b 100644
--- a/include/device.hpp
+++ b/include/device.hpp
@@ -6,7 +6,7 @@
 #include <thread>
 
 #include "command.hpp"
-#include "Filedat.hpp"
+#include <ztd/filedat.hpp>
 
 void sh(std::string const& string);
 
@@ -19,8 +19,8 @@ public:
   bool start_loop();
   void run_signal(char* buff);
 
-  bool import_chunk(Chunk const& ch);
-  Chunk export_chunk();
+  bool import_chunk(ztd::chunkdat const& ch);
+  ztd::chunkdat export_chunk();
 
   std::string name;
   int client_id;
diff --git a/include/options.hpp b/include/options.hpp
deleted file mode 100644
index 40a83d3..0000000
--- a/include/options.hpp
+++ /dev/null
@@ -1,94 +0,0 @@
-#ifndef OPTIONS_H
-#define OPTIONS_H
-
-//DUPLICATES NOT HANDLED: takes last one
-//NO ORDER: no way to know options order
-//RETURNS TRANSITIONAL STATE IF ERROR
-
-#include <vector>
-#include <string>
-#include <utility>
-
-
-// Turn argc/argv into a vector<string>
-std::vector<std::string> argVector(int argc, char** argv);
-
-class Option
-{
-public:
-  /* CTOR/DTOR */
-  //ctors
-  Option();
-  Option(char c, bool arg, std::string helptext="", std::string argname="arg");
-  Option(std::string const& str, bool arg, std::string helptext="", std::string argname="arg");
-  Option(char c, std::string const& str, bool arg, std::string helptext="", std::string argname="arg");
-  //dtors
-  virtual ~Option();
-
-  /* FUNCTIONS */
-
-  // Print command help. Puts leftpad spaces before printing, and rightpad space until help
-  void printHelp(int leftpad, int rightpad);
-
-  /* PROPERTIES */
-
-  bool shortDef;  // has a char definition
-  char charName;
-
-  bool longDef;   // has a string definition
-  std::string strName;
-
-  bool takesArgument;     // option takes an argument
-
-  std::string help_text;  // text to display in printHelp
-  std::string arg_name;   // name of the argument to display in printHelp
-
-  /* PROCESSING STATUS */
-
-  bool activated;         // option was activated
-
-  std::string argument;   // argument of the option
-
-};
-
-class OptionSet
-{
-public:
-  /* CTOR/DTOR */
-  OptionSet();
-  virtual ~OptionSet();
-
-  /* PROPERTIES */
-
-  // Stream on which errors are sent. Default stderr
-  std::ostream* errStream;
-
-  /* FUNCTIONS */
-
-  /*CREATION FUNCTIONS*/
-  //Adding an option. Refer to Option ctors
-  void addOption(Option opt) { m_options.push_back(opt); }
-
-  /*PRINT FUNCTIONS*/
-  // Print command help. Puts leftpad spaces before each line, and rightpad space until help
-  void printHelp(int leftpad=2, int rightpad=25);
-
-  /*QUERY FUNCTIONS*/
-  // Find an option with its charname
-  Option* findOption(char c);
-  // Find an option with its stringname
-  Option* findOption(std::string const& str);
-
-  /*PROCESSING FUNCTIONS*/
-  // Process through options.
-  // pair.first  : vector with arguments that were not identified as options
-  // pair.second : bool indicating status. True if no error encountered, false if errors
-  std::pair<std::vector<std::string>,bool> getOptions(std::vector<std::string> input);
-  std::pair<std::vector<std::string>,bool> getOptions(int argc, char** argv) { return getOptions(argVector(argc, argv)); }
-
-private:
-  std::vector<Option> m_options;
-
-};
-
-#endif //OPTIONS_H
diff --git a/include/popen.h b/include/popen.h
deleted file mode 100644
index c39f7dc..0000000
--- a/include/popen.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#ifndef POPEN_HPP
-#define POPEN_HPP
-
-#include <stdio.h>
-#include <signal.h>
-
-FILE* popen2(const char* command, const char* type, pid_t* pid);
-
-int pclose2(FILE* fp, pid_t pid);
-
-#endif //POPEN_HPP
diff --git a/include/system.hpp b/include/system.hpp
index 4747b69..88319b6 100644
--- a/include/system.hpp
+++ b/include/system.hpp
@@ -1,14 +1,11 @@
 #ifndef SYSTEM_HPP
 #define SYSTEM_HPP
 
-#include "popen.h"
-
 #define ANNOUNCE_COMMAND "aseqdump -p System:1"
 #define LIST_COMMAND "aseqdump -l | tail -n +2 | cut -c10-42 | tr -s ' '"
 #define LIST_EXTENDED_COMMAND "aseqdump -l | tail -n +2 | cut -c-42"
 
-
-extern pid_t announce_thread_pid;
+extern int announce_thread_pid;
 
 void device_check();
 
diff --git a/src/Filedat.cpp b/src/Filedat.cpp
deleted file mode 100644
index 2107d4f..0000000
--- a/src/Filedat.cpp
+++ /dev/null
@@ -1,815 +0,0 @@
-#include "Filedat.hpp"
-
-#include <exception>
-
-bool _isRead(char in)
-{
-    bool out=false;
-    if(in>=33 && in<=126)
-        out=true;
-    return out;
-}
-
-std::string _repeatString(const std::string& str, const unsigned int n)
-{
-  std::string ret;
-  for(unsigned int i=0 ; i<n ; i++)
-    ret += str;
-  return ret;
-}
-
-
-void printErrorIndex(const char* in, const int index, const std::string& message, const std::string& origin)
-{
-  int i=0, j=0; // j: last newline
-  int line=1; //n: line #
-  int in_size=strlen(in);
-  if(index >= 0)
-  {
-    while(i < in_size && i < index)
-    {
-      if(in[i] == '\n')
-      {
-        line++;
-        j=i+1;
-      }
-      i++;
-    }
-    while(i < in_size && in[i]!='\n')
-    {
-      i++;
-    }
-  }
-  if(origin != "")
-  {
-    std::cerr << origin << ": Error\nLine " << line << " col " << index-j+1 << ": " << message << std::endl;
-    std::cerr << std::string(in+j, i-j) << std::endl;
-    std::cerr << _repeatString(" ", index-j) << '^' << std::endl;
-  }
-  else
-  {
-    std::cerr << "Format Error: " << message << std::endl;
-    if(index >= 0)
-    {
-      std::cerr << std::string(in, i) << std::endl;
-      std::cerr << _repeatString(" ", index-j) << '^' << std::endl;
-    }
-    else
-      std::cerr << in << std::endl;
-  }
-}
-
-
-Filedat::Filedat()
-{
-  m_dataChunk = new Chunk();
-}
-
-Filedat::Filedat(std::string const& in)
-{
-  m_dataChunk = new Chunk();
-  m_filePath=in;
-}
-
-Filedat::~Filedat()
-{
-  if(m_dataChunk!=nullptr)
-    delete m_dataChunk;
-}
-
-void Filedat::clear()
-{
-  m_data="";
-  if(m_dataChunk!=nullptr)
-  {
-    delete m_dataChunk;
-    m_dataChunk = new Chunk();
-  }
-}
-
-bool Filedat::readTest() const
-{
-  std::ifstream stream(m_filePath);
-  if(!stream)
-    return false;
-  else
-    return true;
-}
-
-void Filedat::import_file(const std::string& path)
-{
-  if(path != "")
-    m_filePath=path;
-  std::ifstream st(m_filePath);
-  if(!st)
-    throw std::runtime_error("Cannot read file '" + m_filePath + '\'');
-
-  this->clear();
-  std::string line;
-
-  while(st)
-  {
-    getline(st, line);
-    m_data += (line + '\n');
-  }
-  this->generateChunk();
-}
-
-void Filedat::import_stdin()
-{
-  m_filePath="stdin";
-  this->clear();
-  std::string line;
-  while(std::cin)
-  {
-    getline(std::cin, line);
-    m_data += (line + '\n');
-  }
-  this->generateChunk();
-}
-
-void Filedat::import_string(const std::string& data)
-{
-  this->clear();
-  m_data=data;
-  m_filePath="";
-  this->generateChunk();
-}
-
-bool Filedat::export_file(std::string const& path, std::string const& aligner) const
-{
-  std::ofstream stream;
-  if(path=="")
-    stream.open(m_filePath);
-  else
-    stream.open(path);
-  if(!stream)
-    return false;
-  stream << this->strval(aligner);
-  return true;
-}
-
-std::string Filedat::strval(std::string const& aligner) const
-{
-  if(m_dataChunk == nullptr)
-    return "";
-  else
-    return m_dataChunk->strval(0, aligner);
-}
-
-void Filedat::generateChunk()
-{
-  try
-  {
-    if(m_dataChunk != nullptr)
-      delete m_dataChunk;
-    m_dataChunk = new Chunk(m_data.c_str(), m_data.size(), 0, this);
-  }
-  catch(format_error& e)
-  {
-    throw format_error(e.what(), m_filePath, m_data, e.where());
-  }
-}
-
-std::string _getname(const char* in, const int in_size, int* start, int* val_size, int* end)
-{
-  int i=0;
-
-  *start = in_size; //default no value
-  *end = in_size; //default end
-  *val_size=0; //default no value
-
-  while(i<in_size)
-  {
-    if(i+1<in_size && in[i] == '/' && in[i+1] == '/')
-      while(i<in_size && in[i] != '\n')
-        i++;
-
-    if(_isRead(in[i]))
-      break;
-
-    i++;
-  }
-  if(i >= in_size) //ends without value
-    return "";
-
-  int j=i; //name start
-  while(i<in_size && in[i] != '=') //skip to =
-    i++;
-  if(i >= in_size) //no =
-    throw format_error("Tag has no value", "", std::string(in, in_size), j);
-
-  if(i == j) //nothing preceding =
-    throw format_error("Value has no tag", "", std::string(in, in_size), i);
-
-  int k=i-1; //name end
-  while( !_isRead(in[k]) )
-    k--;
-  std::string name=std::string(in+j, k-j+1);
-
-  i++;
-  while(i < in_size && !_isRead(in[i]))
-    i++;
-  if(i >= in_size) //no value
-  {
-    *start=i;
-    *val_size=0;
-    *end=i;
-    return name;
-  }
-  if(in[i] == '\"') //"" val
-  {
-    i++;
-    *start=i; //value starts
-    j=0; //size
-    while(i+j < in_size && in[i+j]!='\"')
-    {
-      if(in[i]+j=='\\')
-        j++;
-      j++;
-    }
-    if(i+j >= in_size) // no closing "
-      throw format_error("Double quote does not close", "", std::string(in, in_size), i-1);
-    *val_size=j;
-    *end=i+j+1;
-    return name;
-  }
-  if(in[i] == '\'') //"" val
-  {
-    i++;
-    *start=i; //value starts
-    j=0; //size
-    while(i+j < in_size && in[i+j]!='\'')
-    {
-      if(in[i]+j=='\\')
-        j++;
-      j++;
-    }
-    if(i+j >= in_size) // no closing '
-      throw format_error("Single quote does not close", "", std::string(in, in_size), i-1);
-    *val_size=j;
-    *end=i+j+1;
-    return name;
-  }
-  if(in[i] == '{')
-  {
-    *start=i;
-    j=1;
-    int counter=0;
-    while( i+j < in_size && !( counter == 0 && in[i+j]=='}') )
-    {
-      if(i+j+1<in_size && in[i+j] == '/' && in[i+j+1] == '/')
-        while(i+j<in_size && in[i+j] != '\n')
-          j++;
-      if(in[i+j]=='\\')
-        j++;
-      if(in[i+j]=='{')
-        counter++;
-      if(in[i+j]=='}')
-        counter--;
-      j++;
-    }
-    if(i+j >= in_size) //reached end without closing
-      throw format_error("Brace does not close", "", std::string(in, in_size), i);
-    j++;
-    *val_size=j;
-    *end=i+j;
-    return name;
-  }
-  if(in[i] == '[')
-  {
-    *start=i;
-    j=1;
-    int counter=0;
-    while( i+j < in_size && !( counter == 0 && in[i+j]==']') )
-    {
-      if(i+j+1<in_size && in[i+j] == '/' && in[i+j+1] == '/')
-        while(i+j<in_size && in[i+j] != '\n')
-          j++;
-      if(in[i+j]=='\\')
-        j++;
-      if(in[i+j]=='[')
-        counter++;
-      if(in[i+j]==']')
-        counter--;
-      j++;
-    }
-    if(i+j >= in_size) //reached end without closing
-      throw format_error("Bracket does not close", "", std::string(in, in_size), i);
-    j++;
-    *val_size=j;
-    *end=i+j;
-    return name;
-  }
-  { // no encapsulation: go to end of line
-    *start=i; //value starts
-    j=0; //size
-    while(i+j < in_size && in[i+j]!='\n')
-    {
-      if(in[i]+j=='\\')
-        j++;
-      j++;
-    }
-    while( !_isRead(in[i+j]) )
-      j--;
-    *val_size=j+1;
-    *end=i+j+1;
-    return name;
-  }
-
-  return name;
-}
-
-std::string _getlist(const char* in, const int in_size, int* start, int* end)
-{
-  int i=0;
-  std::string ret;
-
-  while(i<in_size)
-  {
-    if(i+1<in_size && in[i] == '/' && in[i+1] == '/')
-      while(i<in_size && in[i] != '\n')
-        i++;
-
-    if(_isRead(in[i]))
-      break;
-
-    i++;
-  }
-
-  *start=i;
-  if(i >= in_size) //ends without value
-  {
-    *end = in_size;
-    return "";
-  }
-  if(in[i] == ',') //value is empty
-  {
-    *end=i+1;
-    return "";
-  }
-
-  int j=0;
-  if(in[i] == '\"') //"" val
-  {
-    i++;
-    j=0; //size
-    while(i+j < in_size && in[i+j]!='\"')
-    {
-      if(in[i]+j=='\\')
-        j++;
-      j++;
-    }
-    if(i+j >= in_size) // no closing "
-      throw format_error("Double quote does not close", "", std::string(in, in_size), i-1);
-    ret = std::string(in+i, j);
-    *end=i+j+1;
-  }
-  else if(in[i] == '\'') //"" val
-  {
-    i++;
-    j=0; //size
-    while(i+j < in_size && in[i+j]!='\'')
-    {
-      if(in[i]+j=='\\')
-        j++;
-      j++;
-    }
-    if(i+j >= in_size) // no closing '
-      throw format_error("Single quote does not close", "", std::string(in, in_size), i-1);
-    ret = std::string(in+i, j);
-    *end=i+j+1;
-  }
-  else if(in[i] == '{')
-  {
-    j=1;
-    int counter=0;
-    while( i+j < in_size && !( counter == 0 && in[i+j]=='}') )
-    {
-      if(i+j+1<in_size && in[i+j] == '/' && in[i+j+1] == '/')
-        while(i+j<in_size && in[i+j] != '\n')
-          j++;
-      if(in[i+j]=='\\')
-        j++;
-      if(in[i+j]=='{')
-        counter++;
-      if(in[i+j]=='}')
-        counter--;
-      j++;
-    }
-    if(i+j >= in_size) //reached end without closing
-      throw format_error("Brace does not close", "", std::string(in, in_size), i);
-    j++;
-    ret = std::string(in+i, j);
-    *end=i+j;
-  }
-  else if(in[i] == '[')
-  {
-    j=1;
-    int counter=0;
-    while( i+j < in_size && !( counter == 0 && in[i+j]==']') )
-    {
-      if(i+j+1<in_size && in[i+j] == '/' && in[i+j+1] == '/')
-        while(i+j<in_size && in[i+j] != '\n')
-          j++;
-      if(in[i+j]=='\\')
-        j++;
-      if(in[i+j]=='[')
-        counter++;
-      if(in[i+j]==']')
-        counter--;
-      j++;
-    }
-    if(i+j >= in_size) //reached end without closing
-      throw format_error("Bracket does not close", "", std::string(in, in_size), i);
-    j++;
-    ret = std::string(in+i, j);
-    *end=i+j;
-  }
-  else // no encapsulation: go to next ,
-  {
-    j=0; //size
-    while(i+j < in_size && in[i+j]!=',')
-    {
-      if(in[i+j]=='\\')
-        j++;
-      j++;
-    }
-    if(i+j < in_size)
-    {
-      while( !_isRead(in[i+j]) )
-      j--;
-    }
-    ret = std::string(in+i,j);
-    *end=i+j;
-  }
-
-  i = *end;
-  while(i < in_size && !_isRead(in[i]))
-    i++;
-  if( i>= in_size ) //last char
-  {
-    *end=i;
-    return ret;
-  }
-  else if(in[i] ==',') //comma as expected
-  {
-    *end=i+1;
-    return ret;
-  }
-  else //Unexpected char
-    throw format_error("Expecting comma", "", std::string(in, in_size), i);
-
-}
-
-void Chunk::set(const char* in, const int in_size, int offset, Filedat* data)
-{
-  this->clear(); //reset everything
-  this->m_parent=data;
-  this->m_offset=offset;
-
-  int i=0;
-
-  while(i<in_size && !_isRead(in[i])) //skip unread char
-    i++;
-
-  if(i >= in_size) //empty: make an empty strval
-  {
-    DataVal* cv = new DataVal();
-    m_achunk=cv;
-    cv->val = "";
-    return;
-  }
-  else if( in[i] == '{')
-  {
-    i++;
-    int val_end=in_size-1;
-    while(!_isRead(in[val_end])) //skip unread char
-      val_end--;
-    if(in[val_end] != '}')
-      throw format_error("Expecting closing brace", "", std::string(in, in_size), val_end+1);
-
-    DataChunk* tch = new DataChunk();
-    m_achunk = tch;
-
-    std::string name;
-    std::string val;
-    while(i < val_end)
-    {
-      int start=0;
-      int _size=0;
-      int end=0;
-
-      while(!_isRead(in[i]))
-        i++;
-
-      std::string newstr=std::string(in+i, val_end-i);
-      try
-      {
-        name = _getname(newstr.c_str(), newstr.size(), &start, &_size, &end);
-        val = newstr.substr(start, _size);
-      }
-      catch(format_error& e)
-      {
-        throw format_error(e.what(), "", std::string(in, in_size), e.where()+i);
-      }
-
-      if( name == "" ) //no more values
-        break;
-
-      try
-      {
-        Chunk* chk = new Chunk(val.c_str(),val.size(), offset + start+i, m_parent);
-        if(!tch->values.insert( std::make_pair(name, chk ) ).second)
-        {
-          delete chk;
-          throw format_error("Key '" + name + "' already present", "", std::string(in, in_size), 0 - start );
-        }
-      }
-      catch(format_error& e)
-      {
-        throw format_error(e.what(), "", std::string(in, in_size), e.where() + start + i );
-      }
-
-      i += end;
-    }
-
-    return;
-
-  }
-  else if( in[i] == '[')
-  {
-    i++;
-    int val_end=in_size-1;
-    while(!_isRead(in[val_end])) //skip unread char
-      val_end--;
-    if(in[val_end] != ']')
-      throw format_error("Expecting closing bracket", "", std::string(in, in_size), val_end+1);
-
-    ChunkList* tch = new ChunkList();
-    m_achunk = tch;
-
-    int end=0,start=0;
-    while( i < val_end )
-    {
-      std::string val;
-      std::string newstr=std::string(in+i, val_end-i);
-      try
-      {
-        val = _getlist(newstr.c_str(), newstr.size(), &start, &end);
-      }
-      catch(format_error& e)
-      {
-        throw format_error(e.what(), "", std::string(in, in_size), e.where()+i);
-      }
-
-      try
-      {
-        tch->list.push_back(new Chunk(val.c_str(),val.size(), offset + start+i, m_parent) );
-      }
-      catch(format_error& e)
-      {
-        throw format_error(e.what(), "", std::string(in, in_size), e.where() + start + i );
-      }
-
-      i+=end;
-    }
-
-    return;
-
-  }
-  else // string value
-  {
-    int val_end=in_size;
-    val_end--;
-    while(!_isRead(in[val_end])) //skip unread char
-      val_end--;
-
-    DataVal* tch = new DataVal();
-    m_achunk = tch;
-
-    tch->val = std::string(in+i,val_end-i+1);
-
-    return;
-
-  }
-}
-
-void Chunk::addToChunk(std::string const& name, Chunk const& val)
-{
-  if(this->type()==AbstractChunk::chunk)
-  {
-    DataChunk* cp = dynamic_cast<DataChunk*>(m_achunk);
-    Chunk* chk = new Chunk(val);
-    if( !cp->values.insert( std::make_pair(name,chk) ).second )
-    {
-      delete chk;
-      throw format_error("Key '" + name + "' already present", "", this->strval(), -1);
-    }
-  }
-  else if(this->type() == AbstractChunk::none)
-  {
-    DataChunk* cp = new DataChunk();
-    m_achunk=cp;
-    cp->values.insert(std::make_pair(name , new Chunk(val)));
-  }
-  else
-  {
-    throw format_error("Cannot add keys to non-map chunks", "", this->strval(), -1);
-  }
-}
-
-void Chunk::addToChunk(std::vector<std::pair<std::string, Chunk>> const& vec)
-{
-  for(auto it : vec)
-    this->addToChunk(it.first, it.second);
-}
-
-void Chunk::addToList(Chunk const& val)
-{
-  if(this->type()==AbstractChunk::list)
-  {
-    ChunkList* lp = dynamic_cast<ChunkList*>(m_achunk);
-    lp->list.push_back(new Chunk(val));
-  }
-  else if(this->type() == AbstractChunk::none)
-  {
-    ChunkList* lp = new ChunkList();
-    m_achunk=lp;
-    lp->list.push_back(new Chunk(val));
-  }
-  else
-  {
-    throw format_error("Cannot add elements to non-list chunks", "", this->strval(), -1);
-  }
-}
-
-void Chunk::addToList(std::vector<Chunk> const& vec)
-{
-  for(auto it : vec)
-    this->addToList(it);
-}
-
-std::string Chunk::strval(unsigned int alignment, std::string const& aligner) const
-{
-  if(this->type()==AbstractChunk::val)
-  {
-    DataVal* vp = dynamic_cast<DataVal*>(m_achunk);
-    return vp->val;
-  }
-  else if(this->type()==AbstractChunk::chunk)
-  {
-    DataChunk* cp = dynamic_cast<DataChunk*>(m_achunk);
-    std::string ret="{\n";
-    for(auto it : cp->values)
-    {
-      ret += _repeatString(aligner,alignment+1);
-      ret += it.first;
-      ret += '=';
-      if(it.second!=nullptr)
-        ret += it.second->strval(alignment+1, aligner);
-      ret += '\n';
-    }
-    ret += _repeatString(aligner, alignment);
-    ret += '}';
-    return ret;
-  }
-  else if(this->type()==AbstractChunk::list)
-  {
-    ChunkList* lp = dynamic_cast<ChunkList*>(m_achunk);
-    std::string ret="[\n";
-    for(auto it : lp->list)
-    {
-      ret += _repeatString(aligner, alignment+1);
-      if(it!=nullptr)
-        ret += it->strval(alignment+1, aligner);
-      ret += ",\n";
-    }
-    ret.erase(ret.end()-2);
-    ret += _repeatString(aligner, alignment);
-    ret += ']';
-    return ret;
-  }
-  else
-    return "";
-}
-
-int Chunk::listSize() const
-{
-  if(this->type() != AbstractChunk::list)
-    return -1;
-  ChunkList* cl = dynamic_cast<ChunkList*>(m_achunk);
-  return cl->list.size();
-}
-
-Chunk* Chunk::subChunkPtr(std::string const& in) const
-{
-  if(this->type()==AbstractChunk::chunk)
-  {
-    DataChunk* dc = dynamic_cast<DataChunk*>(m_achunk);
-    auto fi = dc->values.find(in);
-    if(fi == dc->values.end()) //none found
-      return nullptr;
-    return fi->second;
-  }
-  else //not a chunk
-  {
-    return nullptr;
-  }
-}
-
-Chunk* Chunk::subChunkPtr(unsigned int a) const
-{
-  if(this->type()==AbstractChunk::list)
-  {
-    ChunkList* cl = dynamic_cast<ChunkList*>(m_achunk);
-    if(a >= cl->list.size()) //outside of range
-      return nullptr;
-    return cl->list[a];
-  }
-  else //not a list
-  {
-    return nullptr;
-  }
-}
-
-Chunk& Chunk::subChunkRef(std::string const& in) const
-{
-  if(this->type()!=AbstractChunk::chunk)
-  {
-    if(m_parent != nullptr)
-    {
-      throw format_error("Chunk isn't a map", m_parent->filePath(), m_parent->stringdata(), m_offset );
-    }
-    else
-    {
-      throw format_error("Chunk isn't a map", "", this->strval(), -1);
-    }
-  }
-  DataChunk* dc = dynamic_cast<DataChunk*>(m_achunk);
-  auto fi = dc->values.find(in);
-  if(fi == dc->values.end())
-  {
-    if(m_parent != nullptr)
-    {
-      throw format_error("Map doesn't have '" + in + "' flag", m_parent->filePath(), m_parent->stringdata(), m_offset );
-    }
-    else
-    {
-      throw format_error("Map doesn't have '" + in + "' flag", "", this->strval(), -1);
-    }
-  }
-  return *fi->second;
-}
-
-Chunk& Chunk::subChunkRef(unsigned int a) const
-{
-  if(this->type()!=AbstractChunk::list)
-  {
-    if(m_parent != nullptr)
-    {
-      throw format_error("Chunk isn't a list", m_parent->filePath(), m_parent->stringdata(), m_offset );
-    }
-    else
-    {
-      throw format_error("Chunk isn't a list", "", this->strval(), -1);
-    }
-  }
-  ChunkList* cl = dynamic_cast<ChunkList*>(m_achunk);
-  if(a >= cl->list.size())
-  {
-    if(m_parent != nullptr)
-    {
-      throw format_error("List size is below " + std::to_string(a), m_parent->filePath(), m_parent->stringdata(), m_offset );
-    }
-    else
-    {
-      throw format_error("List size is below " + std::to_string(a), "", this->strval(), -1);
-    }
-  }
-  return *cl->list[a];
-}
-
-std::ostream& operator<<(std::ostream& stream, Chunk const& a)
-{
-  stream << a.strval();
-  return stream;
-}
-
-DataChunk::~DataChunk()
-{
-  for(auto it : values)
-  {
-    if(it.second != nullptr)
-    delete it.second;
-  }
-}
-
-ChunkList::~ChunkList()
-{
-  for(auto it : list)
-  {
-    if(it!=nullptr)
-    delete it;
-  }
-}
diff --git a/src/device.cpp b/src/device.cpp
index 1275dcf..8b6f316 100644
--- a/src/device.cpp
+++ b/src/device.cpp
@@ -3,11 +3,11 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
-
+#include <signal.h>
 #include <iostream>
+#include <ztd/shell.hpp>
 
 #include "log.hpp"
-#include "popen.h"
 
 std::vector<Device*> device_list;
 
@@ -44,9 +44,9 @@ bool Device::start_loop()
   return true;
 }
 
-std::pair<int32_t,int32_t> importRange(Chunk const& ch, std::string const& tag, int32_t low, int32_t high)
+std::pair<int32_t,int32_t> importRange(ztd::chunkdat const& ch, std::string const& tag, int32_t low, int32_t high)
 {
-  Chunk* pch=ch.subChunkPtr(tag);
+  ztd::chunkdat* pch=ch.subChunkPtr(tag);
   if(pch != nullptr)
   {
     std::string str=pch->strval();
@@ -70,9 +70,9 @@ std::pair<int32_t,int32_t> importRange(Chunk const& ch, std::string const& tag,
   return std::make_pair(low, high);
 }
 
-std::pair<float,float> importRangeFloat(Chunk const& ch, std::string const& tag, float low, float high)
+std::pair<float,float> importRangeFloat(ztd::chunkdat const& ch, std::string const& tag, float low, float high)
 {
-  Chunk* pch=ch.subChunkPtr(tag);
+  ztd::chunkdat* pch=ch.subChunkPtr(tag);
   if(pch != nullptr)
   {
     std::string str=pch->strval();
@@ -94,9 +94,9 @@ std::pair<float,float> importRangeFloat(Chunk const& ch, std::string const& tag,
   return std::make_pair(low, high);
 }
 
-bool importBool(Chunk const& ch, std::string const& tag, bool defbool)
+bool importBool(ztd::chunkdat const& ch, std::string const& tag, bool defbool)
 {
-  Chunk* pch=ch.subChunkPtr(tag);
+  ztd::chunkdat* pch=ch.subChunkPtr(tag);
   if(pch != nullptr)
   {
     std::string str=pch->strval();
@@ -108,13 +108,13 @@ bool importBool(Chunk const& ch, std::string const& tag, bool defbool)
   return defbool;
 }
 
-bool Device::import_chunk(Chunk const& ch)
+bool Device::import_chunk(ztd::chunkdat const& ch)
 {
-  Chunk& cch = ch["commands"];
+  ztd::chunkdat& cch = ch["commands"];
   this->name=ch["name"].strval();
   for(int i=0 ; i<cch.listSize() ; i++)
   {
-    Chunk& tch=cch[i];
+    ztd::chunkdat& tch=cch[i];
     std::string tstr=tch["type"].strval();
     if(tstr == "system") //type system
     {
@@ -417,7 +417,7 @@ void Device::loop(Device* dev)
   char* buff = NULL;
   size_t buff_size = 0;
   std::string command = "aseqdump -p '" + std::to_string(dev->client_id) + '\'';
-  FILE *stream = popen2(command.c_str(), "r", &dev->thread_pid);
+  FILE *stream = ztd::popen2(command.c_str(), "r", &dev->thread_pid);
 
   log("Device '" + dev->name + "' connected\n");
 
@@ -438,7 +438,7 @@ void Device::loop(Device* dev)
 
   log("Device '" + dev->name + "' disconnected\n");
 
-  pclose2(stream, dev->thread_pid);
+  ztd::pclose2(stream, dev->thread_pid);
   dev->thread_pid=-1;
   free(buff);
 }
diff --git a/src/main.cpp b/src/main.cpp
index a826508..7cd275d 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -8,17 +8,16 @@
 #include "log.hpp"
 #include "help.h"
 
-#include "Filedat.hpp"
-#include "options.hpp"
-#include "popen.h"
+#include <ztd/filedat.hpp>
+#include <ztd/options.hpp>
+#include <ztd/shell.hpp>
 
-
-OptionSet options;
+ztd::option_set options;
 
 void help()
 {
   printf("zmidimap [options] <midimap file>\n\nOptions:\n");
-  options.printHelp(2, 25);
+  options.print_help(2, 25);
   printf("\nSee --file-format --command-tags --shell-format options for details on map file format\n");
 }
 
@@ -26,7 +25,7 @@ void option_p(const std::string& port)
 {
   std::string command="aseqdump -p '" + port + '\'';
   pid_t pid;
-  FILE *stream = popen2(command.c_str(), "r", &pid);
+  FILE *stream = ztd::popen2(command.c_str(), "r", &pid);
   char* buff = NULL;
   size_t buff_size = 0;
   while (getline(&buff, &buff_size, stream) > 0)
@@ -38,7 +37,7 @@ void option_p(const std::string& port)
     else
       printf("%s", buff);
   }
-  pclose2(stream, pid);
+  ztd::pclose2(stream, pid);
 }
 
 void cleanup()
@@ -68,68 +67,72 @@ int main(int argc, char* argv[])
   if (!isatty(fileno(stdin)))
     piped = true;
 
-  options.addOption(Option('h',"help",        false, "Display this help message"));
-  options.addOption(Option("file-format",     false, "Display file format help"));
-  options.addOption(Option("command-tags",    false, "Display for command tag help"));
-  options.addOption(Option("shell-format",    false, "Display for shell format help"));
-  options.addOption(Option('l',"list",        false, "List detected devices"));
-  options.addOption(Option('L',"full-list",   false, "Print whole device list details"));
-  options.addOption(Option('p',"port",        true,  "Connect to device and output to console", "device"));
-  options.addOption(Option("no-log",          false, "Disable console logging"));
-  // options.addOption(Option('i',"interactive", false, "Start in interactive mode"));
+  options.add(ztd::option('h',"help",        false, "Display this help message"));
+  options.add(ztd::option("file-format",     false, "Display file format help"));
+  options.add(ztd::option("command-tags",    false, "Display for command tag help"));
+  options.add(ztd::option("shell-format",    false, "Display for shell format help"));
+  options.add(ztd::option('l',"list",        false, "List detected devices"));
+  options.add(ztd::option('L',"full-list",   false, "Print whole device list details"));
+  options.add(ztd::option('p',"port",        true,  "Connect to device and output to console", "device"));
+  options.add(ztd::option("no-log",          false, "Disable console logging"));
+  // options.add(ztd::option('i',"interactive", false, "Start in interactive mode"));
 
-  auto argvec = argVector(argc, argv);
-
-  auto t = options.getOptions(argvec);
-  std::vector<std::string> arg=t.first;
-  if( !t.second ) //invalid option
-    return 1;
+  std::vector<std::string> arg;
+  try
+  {
+    arg = options.process(argc, argv);
+  }
+  catch(ztd::option_error& err)
+  {
+    printf("Option error: %s\n", err.what());
+    stop(1);
+  }
 
   //exit options
-  Option* op=nullptr;
-  op = options.findOption('h');
+  ztd::option* op=nullptr;
+  op = options.find('h');
   if( op->activated )
   {
     help();
     stop(0);
   }
-  op = options.findOption("file-format");
+  op = options.find("file-format");
   if( op->activated )
   {
     printf("%s\n", FILE_FORMAT);
     stop(0);
   }
-  op = options.findOption("command-tags");
+  op = options.find("command-tags");
   if( op->activated )
   {
     printf("%s\n", COMMAND_TAGS);
     stop(0);
   }
-  op = options.findOption("shell-format");
+  op = options.find("shell-format");
   if( op->activated )
   {
     printf("%s\n", SHELL_FORMAT);
     stop(0);
   }
-  op = options.findOption('h');
+  op = options.find('h');
   if( op->activated )
   {
     help();
     stop(0);
   }
-  op = options.findOption('L');
+  op = options.find('L');
   if( op->activated )
   {
     sh("aseqdump -l");
     stop(0);
   }
-  op = options.findOption('l');
+  op = options.find('l');
   if( op->activated )
   {
     sh(LIST_COMMAND);
     stop(0);
   }
-  op = options.findOption('p');
+  op = options.find('p');
   if( op->activated )
   {
     option_p(op->argument);
@@ -137,14 +140,14 @@ int main(int argc, char* argv[])
   }
 
   //behavioral options
-  op = options.findOption("no-log");
+  op = options.find("no-log");
   if( op->activated )
   {
     log_on=false;
   }
 
   //no argument: display help
-  Filedat file;
+  ztd::filedat file;
   bool no_arg=false;
   if (arg.size() <= 0 || arg[0] == "")
   {
@@ -176,7 +179,7 @@ int main(int argc, char* argv[])
     }
 
     //create commands
-    for(int i=0 ; i<file.chunk().listSize() ; i++)
+    for(int i=0 ; i<file.data().listSize() ; i++)
     {
       Device *newDevice = new Device;
       newDevice->import_chunk(file[i]);
@@ -188,9 +191,9 @@ int main(int argc, char* argv[])
     log("Starting scan for devices\n");
     announce_loop();
   }
-  catch (format_error& e)
+  catch (ztd::format_error& e)
   {
-    printFormatException(e);
+    ztd::printFormatException(e);
     cleanup();
     stop(11);
   }
diff --git a/src/options.cpp b/src/options.cpp
deleted file mode 100644
index e3e1c21..0000000
--- a/src/options.cpp
+++ /dev/null
@@ -1,235 +0,0 @@
-#include "options.hpp"
-
-#include <iostream>
-
-std::vector<std::string> argVector(int argc, char** argv)
-{
-  std::vector<std::string> out;
-  for(int i=1;i<argc; i++)
-  {
-    out.push_back(std::string(argv[i]));
-  }
-  return out;
-}
-
-Option::Option()
-{
-  shortDef=false;
-  longDef=false;
-  takesArgument=false;
-  activated=false;
-  charName=0;
-}
-Option::~Option()
-{
-}
-
-Option::Option(char c, bool arg, std::string helptext, std::string argname)
-{
-  shortDef=true;
-  longDef=false;
-  takesArgument=arg;
-  activated=false;
-  charName=c;
-  arg_name=argname;
-  help_text=helptext;
-}
-
-Option::Option(std::string const& str, bool arg, std::string helptext, std::string argname)
-{
-  shortDef=false;
-  longDef=true;
-  takesArgument=arg;
-  activated=false;
-  charName=0;
-  strName=str;
-  arg_name=argname;
-  help_text=helptext;
-}
-Option::Option(char c, std::string const& str, bool arg, std::string helptext, std::string argname)
-{
-  shortDef=true;
-  longDef=true;
-  takesArgument=arg;
-  activated=false;
-  charName=c;
-  strName=str;
-  arg_name=argname;
-  help_text=helptext;
-}
-
-void Option::printHelp(int leftpad, int rightpad)
-{
-  //prepadding
-  printf("%*s", -1*leftpad, "");
-
-  //short def
-  if(this->shortDef)
-  {
-    printf("-%c ", this->charName);
-    rightpad -= 3;
-  }
-
-  //longdef
-  if(this->longDef)
-  {
-    printf("--%s ", this->strName.c_str());
-    rightpad -= 3 + this->strName.size();
-  }
-
-  //argument
-  if(this->takesArgument)
-  {
-    printf(" <%s>", arg_name.c_str());
-    rightpad -= arg_name.size() + 3;
-  }
-
-  printf("%*s%s", -1*rightpad, "", help_text.c_str());
-
-  printf("\n");
-}
-
-void OptionSet::printHelp(int leftpad, int rightpad)
-{
-  for(auto it : this->m_options)
-  {
-    it.printHelp(leftpad,rightpad);
-  }
-}
-
-OptionSet::OptionSet()
-{
-  errStream = &(std::cerr);
-}
-
-OptionSet::~OptionSet()
-{
-}
-
-Option* OptionSet::findOption(char c)
-{
-  for( auto it=m_options.begin() ; it!=m_options.end() ; it++ )
-  {
-    if((*it).shortDef && (*it).charName == c)
-      return &(*it);
-  }
-  return nullptr;
-}
-Option* OptionSet::findOption(std::string const& str)
-{
-  for( auto it=m_options.begin() ; it!=m_options.end() ; it++ )
-  {
-    if((*it).longDef && (*it).strName == str)
-    return &(*it);
-  }
-  return nullptr;
-}
-
-std::pair<std::vector<std::string>, bool> OptionSet::getOptions(std::vector<std::string> input)
-{
-  std::vector<std::string> out;
-  unsigned int i=0;
-  for( auto it = input.begin(); it!=input.end() ; it++ )
-  {
-    if( (*it).size()>0 && (*it)[0]=='-' )
-    {
-      if((*it).size()>1 && (*it)[1]=='-')
-      {
-        std::size_t eqn=(*it).find('=');
-        if(eqn == std::string::npos)
-        {
-          Option* popt = this->findOption( (*it).substr( 2,(*it).size()-2) );
-          if(popt == nullptr)
-          {
-            (*errStream) << "Unknown option: " << (*it).substr(0,eqn) << std::endl;
-            return std::make_pair(out, false);
-          }
-          if(popt->takesArgument)
-          {
-            if( ++it == input.end() ) //finishes here
-            {
-              (*errStream) << "No argument given to option --" << popt->strName << std::endl;
-              return std::make_pair(out, false);
-            }
-            popt->activated = true;
-            popt->argument = (*it);
-          }
-          else
-          {
-            popt->activated = true;
-          }
-        }
-        else
-        {
-          Option* popt = this->findOption( (*it).substr(2,eqn-2) );
-          if(popt == nullptr)
-          {
-            (*errStream) << "Unknown option: " << (*it).substr(2,eqn-2) << std::endl;
-            return std::make_pair(out, false);
-          }
-          if(!popt->takesArgument)
-          {
-            (*errStream) << "Option " << popt->strName << " doesn't take an argument" << std::endl;
-            return std::make_pair(out, false);
-          }
-          popt->argument = (*it).substr(eqn+1,(*it).size()-eqn-1 );
-        }
-      }
-      else
-      {
-        i=1;
-        Option* popt=nullptr;
-        bool tstop=false;
-        while( !tstop && it!=input.end() && (*it).size()>i )
-        {
-          popt=this->findOption((*it)[i]);
-          if(popt==nullptr) //not found: error
-          {
-            (*errStream) << "Unknown option: -" << (*it)[i] << std::endl;
-            return std::make_pair(out, false);
-          }
-          if(popt->takesArgument) //no argument
-          {
-            i++;
-            if((*it).size()<=i) //finishes here
-            {
-              if( ++it == input.end() )
-              {
-                (*errStream) << "No argument given to option -" << popt->charName << std::endl;
-                return std::make_pair(out, false);
-              }
-              popt->activated = true;
-              popt->argument = (*it);
-              tstop = true;
-            }
-            else //continue
-            {
-              if( (*it)[i] != '=') //incorrect
-              {
-                (*errStream) << "No argument given to option -" << popt->charName << std::endl;
-                return std::make_pair(out, false);
-              }
-              i++;
-              popt->argument = (*it).substr(i , (*it).size()-i );
-              popt->activated = true;
-              tstop=true;
-            }
-          }
-          else //no argument
-          {
-            popt->activated = true;
-          }
-
-          i++;
-        }
-      }
-    }
-    else
-    {
-      out.push_back(*it);
-    }
-    if(it == input.end())
-      break;
-  }
-  return std::make_pair(out, true);
-}
diff --git a/src/popen.c b/src/popen.c
deleted file mode 100644
index 07da4eb..0000000
--- a/src/popen.c
+++ /dev/null
@@ -1,80 +0,0 @@
-#include "popen.h"
-
-#include <stdio.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <strings.h>
-#include <sys/wait.h>
-#include <errno.h>
-
-#define READ   0
-#define WRITE  1
-
-FILE* popen2(const char* command, const char* type, int* pid)
-{
-    pid_t child_pid;
-    int fd[2];
-    pipe(fd);
-
-    if((child_pid = fork()) == -1)
-    {
-        perror("fork");
-        exit(1);
-    }
-
-    /* child process */
-    if (child_pid == 0)
-    {
-        if ( index(type, 'r') != NULL )
-        {
-            close(fd[READ]);    //Close the READ end of the pipe since the child's fd is write-only
-            dup2(fd[WRITE], 1); //Redirect stdout to pipe
-        }
-        else
-        {
-            close(fd[WRITE]);    //Close the WRITE end of the pipe since the child's fd is read-only
-            dup2(fd[READ], 0);   //Redirect stdin to pipe
-        }
-
-        setpgid(child_pid, child_pid); //Needed so negative PIDs can kill children of /bin/sh
-        execl("/bin/sh", "/bin/sh", "-c", command, NULL);
-        exit(0);
-    }
-    else
-    {
-        if ( index(type, 'r') != NULL )
-        {
-            close(fd[WRITE]); //Close the WRITE end of the pipe since parent's fd is read-only
-        }
-        else
-        {
-            close(fd[READ]); //Close the READ end of the pipe since parent's fd is write-only
-        }
-    }
-    if(pid != NULL)
-      *pid = child_pid;
-
-    if ( index(type, 'r') != NULL )
-    {
-        return fdopen(fd[READ], "r");
-    }
-
-    return fdopen(fd[WRITE], "w");
-}
-
-int pclose2(FILE* fp, pid_t pid)
-{
-    int stat;
-
-    fclose(fp);
-    while (waitpid(pid, &stat, 0) == -1)
-    {
-        if (errno != EINTR)
-        {
-            stat = -1;
-            break;
-        }
-    }
-
-    return stat;
-}
diff --git a/src/system.cpp b/src/system.cpp
index b309b9d..447e350 100644
--- a/src/system.cpp
+++ b/src/system.cpp
@@ -1,7 +1,5 @@
 #include "system.hpp"
 
-#include "device.hpp"
-
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
@@ -9,7 +7,11 @@
 #include <string>
 #include <vector>
 
-pid_t announce_thread_pid = 0;
+#include <ztd/shell.hpp>
+
+#include "device.hpp"
+
+int announce_thread_pid = 0;
 
 void device_check()
 {
@@ -65,7 +67,7 @@ void announce_loop()
 {
   char* buff = NULL;
   size_t buff_size = 0;
-  FILE* stream = popen2(ANNOUNCE_COMMAND, "r", &announce_thread_pid);
+  FILE* stream = ztd::popen2(ANNOUNCE_COMMAND, "r", &announce_thread_pid);
 
   if (stream == NULL)
   {
@@ -79,7 +81,7 @@ void announce_loop()
       device_check();
   }
 
-  pclose2(stream, announce_thread_pid);
+  ztd::pclose2(stream, announce_thread_pid);
 
   if(buff != NULL)
     free(buff);