diff --git a/zclick/zclick b/zclick/zclick
index 8870aa0..51c7c96 100755
--- a/zclick/zclick
+++ b/zclick/zclick
@@ -24,63 +24,31 @@ arg_i=20
 block_time=100
 
 
-if [ -z "$FOLDER" ]
-then
+[ -z "$FOLDER" ] && {
   if [ -n "$XDG_DATA_HOME" ]
   then
     FOLDER="$XDG_DATA_HOME/zclick"
   else
     FOLDER="$HOME/.local/share/zclick"
   fi
-fi
+}
 
 while getopts ":hi:b:dt" opt;
 do
   case $opt in
-    h)
-      usage
-      exit 0
-      ;;
-    i)
-      if ! [ "$OPTARG" -ge 0 ] 2>/dev/null
-      then
-        error "i argument has to be positive"
-        exit 2
-      fi
-      arg_i=$OPTARG
-      ;;
-    b)
-      if ! [ "$OPTARG" -ge 1 ] 2>/dev/null
-      then
-        error "b argument has to be strictly positive"
-        exit 2
-      fi
-      block_time=$OPTARG
-      ;;
-    d)
-      opt_d=y
-      ;;
-    t)
-      opt_t=y
-      ;;
-    \?)
-    	echo "Uknown option: $OPTARG"
-      usage
-      exit 1
-    	;;
+    h) usage && exit 0 ;;
+    i) [ "$OPTARG" -ge 0 ] 2>/dev/null || { error "i argument has to be positive" ; exit 2; }
+       arg_i=$OPTARG ;;
+    b) [ "$OPTARG" -ge 1 ] 2>/dev/null || { error "b argument has to be strictly positive" ; exit 2; }
+       block_time=$OPTARG ;;
+    d) opt_d=y ;;
+    t) opt_t=y ;;
+    \?) echo "Unknown option: $OPTARG" >&2 ; usage ; exit 1 ;;
     esac
 done
 
 shift $((OPTIND-1))
 
-if [ -n "$1" ] && ! [ "$1" -gt 0 ] 2>/dev/null
-then
-  error "Click ID has to be a strictly positive integer"
-  exit 2
-fi
-cid=$1
-
-
 mkdir -p "$FOLDER"
 
 if [ -n "$opt_d" ]
@@ -114,12 +82,9 @@ then
 
 else
   ## CONTROL
-
-  if [ -z "$cid" ]
-  then
-    usage
-    exit
-  fi
+  [ $# -le 0 ] && usage && exit 1
+  [ -n "$1" ] && ! [ "$1" -gt 0 ] 2>/dev/null && { error "Click ID has to be a strictly positive integer" ; exit 2; }
+  cid=$1
 
   if [ -n "$opt_t" ]
   then
diff --git a/zcsf/zcsf b/zcsf/zcsf
index adffdea..169dc59 100755
--- a/zcsf/zcsf
+++ b/zcsf/zcsf
@@ -10,15 +10,13 @@ Operations:
   make <type>           : create Makefile
   main                  : create main source file
   ls                    : list source names
-  src <type> <name...>  : create source files
+  src <type> <name...>  : create source files. Can be abbrieviated to 's'
   rm <name...>          : delete source files
   mv <name> <new>       : rename source files
   clear                 : delete all sources, headers, and binaries
   import <path> [name]  : import source files from another destination
   export <name> <path>  : export source files to another destination
-  rclean [path]         : perform a recursive '"'make clean ; make clear'"'
-
-Operation "src" can be abbrieviated to "s"'
+  rclean [path]         : perform a recursive '"'make clean ; make clear'"''
 }
 
 if [ -n "$XDG_DATA_HOME" ]
@@ -30,10 +28,7 @@ fi
 
 usr_datapath="/usr/share/zcsf"
 
-if [ -n "$CONFIGPATH" ]
-then
-  local_datapath="$CONFIGPATH"
-fi
+[ -n "$CONFIGPATH" ] && local_datapath="$CONFIGPATH"
 
 header_ifndef()
 {
@@ -76,7 +71,7 @@ load_env()
     CC=$(grep "CC=" "$MAKEFILE" | cut -d'=' -f2- | head -n1)
   fi
 
-  if [ "$CC" = "g++" ] || [ "$CPP" = "true" ]
+  if [ "$CC" = "g++" ]  || [ "$CC" = "clang++" ] || [ "$CPP" = "true" ]
   then
     PP="pp"
   fi
diff --git a/znotif/znotif b/znotif/znotif
index 7192379..7545b93 100755
--- a/znotif/znotif
+++ b/znotif/znotif
@@ -23,24 +23,22 @@ error() {
 
 # $1 = message , $2 = title , $3 = time
 notify () {
-  if which kdialog >/dev/null
-  then
+  if which kdialog >/dev/null ; then
     kdialog --passivepopup "$1" "$3" --title "$2"
-  elif which notify-send >/dev/null
-  then
+  elif which notify-send >/dev/null ; then
     notify-send -t "$3" "$2" "$1"
-  else error "No supported notification"
+  else
+    error "No supported notification"
   fi
 }
 
 yesno () {
-  if which kdialog >/dev/null
-  then
+  if which kdialog >/dev/null ; then
     kdialog --yesno "$1" --title "$2"
-  elif which zenity
-  then
+  elif which zenity ; then
     zenity --question --text="$1" --title="$2"
-  else error "No supported prompt"
+  else
+    error "No supported prompt"
   fi
 }
 
@@ -55,14 +53,14 @@ do
     T) title=$OPTARG ;;
     t) _arg_t=$OPTARG ;;
     w) opt_w=y ;;
-    \?) echo "Uknown option: $OPTARG" && usage && exit 2 ;;
+    *) echo "Unknown option: $OPTARG" >&2 ; usage ; exit 2 ;;
     esac
 done
 
 shift $((OPTIND-1))
 
-if [ $# -gt 0 ]
-then
+# exec and resolve message
+if [ $# -gt 0 ] ; then
   [ -z "$opt_m" ] && message="'$*' finished"
   [ -z "$title" ] && title=$*
   "$@"
@@ -71,8 +69,8 @@ else
   [ -z "$title" ] && title="Ping"
 fi
 
-if [ -n "$opt_y" ]
-then
+# Send the notification
+if [ -n "$opt_y" ] ; then
   yesno "$message" "$title"
 else
   notify "$message" "$title" "$_arg_t"
diff --git a/zosu/zosu b/zosu/zosu
index 95dadbe..9267218 100755
--- a/zosu/zosu
+++ b/zosu/zosu
@@ -23,18 +23,9 @@ Options:
 while getopts ":hc:" opt;
 do
   case $opt in
-    h)
-      usage
-      exit 0
-      ;;
-    c)
-      config_file="$OPTARG"
-      ;;
-    \?)
-      echo "Uknown option: $OPTARG"
-      usage
-      exit 1
-        ;;
+    h) usage ; exit 0 ;;
+    c) config_file="$OPTARG" ;;
+    *) echo "Unknown option: $OPTARG" >&2 ; usage ; exit 1 ;;
     esac
 done
 
@@ -52,41 +43,15 @@ export vblank_mode=0
 
 shift $((OPTIND-1))
 
-if [ -n "$1" ]
-then
-
-  if [ "$1" = "start" ]; then
-    shift $((OPTIND))
-    wine $OSUDIR/osu\!.exe $@
-
-  elif [ "$1" = "kill" ]; then
-    wineserver -k
-
-  elif [ "$1" = "sound" ]; then
 
+case $1 in
+  start) shift $((OPTIND)) && wine "$OSUDIR/osu\!.exe" "$@" ;;
+  kill) wineserver -k ;;
+  sound)
     case $2 in
-      "pulse")
-        winetricks sound=pulse
-        ;;
-      "stable")
-        winetricks sound=pulse
-        ;;
-      "alsa")
-        winetricks sound=alsa
-        ;;
-      "lowlatency")
-        winetricks sound=alsa
-        ;;
-      *)
-        echo "$bin sound <pulse/alsa>"
-    esac
-
-  else
-    usage
-    exit 1
-  fi
-
-else
-  usage
-  exit 1
-fi
+      pulse|stable) winetricks sound=pulse ;;
+      alsa|lowlatency) winetricks sound=alsa ;;
+      *) echo "$bin sound <pulse/alsa>" >&2 ; exit 1 ;;
+    esac ;;
+  *) usage ; exit 1 ;;
+esac
diff --git a/zosu/zosu-install b/zosu/zosu-install
index e79597d..eb765ff 100755
--- a/zosu/zosu-install
+++ b/zosu/zosu-install
@@ -1,37 +1,27 @@
 #!/bin/sh
 
-if [ "$OSUDIR" == "" ] ; then
-  OSUDIR='osu'
-fi
-if [ "$WINEDIR" == "" ] ; then
-  WINEDIR='$(pwd)/.wine'
-fi
+[ -z "$OSUDIR" ] && OSUDIR='osu'
+[ -z "$WINEDIR" ] && WINEDIR='$(pwd)/.wine'
+
 export WINEARCH=win32
 export WINEPREFIX=$(echo "echo $WINEDIR" | sh)
 
-silentmk()
-{
-  if [ ! -d "$1" ] ; then
-    mkdir "$1"
-  fi
-}
-
 pacman_packages()
 {
   sudo pacman -S --needed --noconfirm lib32-alsa-lib lib32-libpulse lib32-gnutls lib32-libxcomposite
 }
 
 echo_red() {
-  printf "\033[1;31m$1\033[0m\n"
+  printf "\033[1;31m%s\033[0m\n" "$*"
 }
 echo_blue() {
-  printf "\033[1;34m$1\033[0m\n"
+  printf "\033[1;34m%s\033[0m\n" "$*"
 }
 echo_yellow() {
-  printf "\033[1;33m$1\033[0m\n"
+  printf "\033[1;33m%s\033[0m\n" "$*"
 }
 echo_white() {
-  printf "\033[1;37m$1\033[0m\n"
+  printf "\033[1;37m%s\033[0m\n" "$*"
 }
 _done() {
   printf "\033[1;32mDone\033[0m\n\n"
@@ -73,12 +63,8 @@ fi
 echo_white "Wine environment will be setup. This can take a very long time and may fail"
 read -p "Proceed? [Y/n]: " yn
 case $yn in
-  [Nn]* )
-    echo_red "Aborting"
-    exit
-    ;;
-  * )
-    ;;
+  [Nn]*) echo_red "Aborting" ; exit 1 ;;
+  *) ;;
 esac
 
 # The big one
@@ -101,9 +87,8 @@ _done
 # ALSA audio
 read -p "Experimental audio lag lowering? [Y/n]: " yn
 case $yn in
-  [Nn]* )
-    ;;
-  * )
+  [Nn]* ) ;;
+  *)
     winetricks sound=alsa
     echo_yellow "If you encounter audio distortion, run 'zosu sound pulse' to revert"
     _done
@@ -113,10 +98,8 @@ esac
 # install osu
 read -p "Insall fresh osu? [Y/n]: " yn
 case $yn in
-  [Nn]* )
-    echo_blue "Provide a link '$OSUDIR' to the desired osu instance"
-    ;;
-  * )
+  [Nn]*) echo_blue "Provide a link '$OSUDIR' to the desired osu instance" ;;
+  *)
     wget https://m1.ppy.sh/r/osu\!install.exe
     echo_white "Starting osu installer. Don't change the install directory"
     wine osu\!install.exe > /dev/null 2>&1
diff --git a/zosu/zosu-rater b/zosu/zosu-rater
index b3ec21c..b0e10e8 100755
--- a/zosu/zosu-rater
+++ b/zosu/zosu-rater
@@ -3,6 +3,7 @@
 if [ $# -lt 2 ]
 then
   echo "$0 <rate> <file>"
+  exit 1
 fi
 
 RATE="$1"
@@ -13,8 +14,7 @@ OUTPUTFILE="$(echo "$2" | sed 's/\.osu//g' | cut -d']' -f1) x$RATE].osu"
 AUDIO=$(grep "AudioFilename:" "$FILE" | cut -d' ' -f2- | tr -d '\n\r')
 AUDIORATED=$(echo $AUDIO | cut -d'.' -f1)-x$RATE".mp3"
 
-echo "" > $OUTPUTFILE
-rm "$OUTPUTFILE"
+echo "" > "$OUTPUTFILE"
 
 output_line () {
   printf "%s\r\n" "$1" >> $OUTPUTFILE
diff --git a/zsync/zsync b/zsync/zsync
index d7f0b1d..52ea504 100755
--- a/zsync/zsync
+++ b/zsync/zsync
@@ -418,7 +418,7 @@ do
       arg_c="$OPTARG"
       ;;
     h) usage && exit 1 ;;
-    \?) echo "Uknown option: $OPTARG" >&2 && usage && exit 1 ;;
+    \?) echo "Unknown option: $OPTARG" >&2 && usage && exit 1 ;;
   esac
 done
 shift $((OPTIND-1))
diff --git a/ztr/zdtol b/ztr/zdtol
index 5bc5545..e867063 100755
--- a/ztr/zdtol
+++ b/ztr/zdtol
@@ -43,7 +43,7 @@ do
       _opt_d=y
       ;;
     \?)
-      echo "Uknown option: $OPTARG" >&2
+      echo "Unknown option: $OPTARG" >&2
       usage
       exit 1
       ;;
diff --git a/ztr/zltod b/ztr/zltod
index afe42ed..fd01cdc 100755
--- a/ztr/zltod
+++ b/ztr/zltod
@@ -30,7 +30,7 @@ do
       _opt_f=y
       ;;
     \?)
-      echo "Uknown option: $OPTARG" >&2
+      echo "Unknown option: $OPTARG" >&2
       usage
       exit 1
       ;;
diff --git a/ztr/ztr b/ztr/ztr
index 1e42216..caf2bb3 100755
--- a/ztr/ztr
+++ b/ztr/ztr
@@ -16,11 +16,10 @@ Options:
 
 gen_tr_lines_disk()
 {
-#  find /sys/block -maxdepth 1
   cd /sys/block
   for I in *
   do
-    _t=$(zdtol $I | head -n1)
+    _t=$(zdtol "$I" | head -n1)
     [ -n "$_t" ] && printf "/dev/%s:%s\n" "$I" "$_t"
   done
 }
@@ -42,8 +41,6 @@ fi
 
 DATA_PATH=$CONFIG_PATH/data/
 
-FILE=/dev/stdin
-
 while getopts ":hPsf:pdl" opt;
 do
   _opt=y
@@ -51,25 +48,21 @@ do
     h) usage && exit 0 ;;
     P) _opt_P=y ;;
     s) _opt_s=y ;;
-    f)
-       _opt_f=y
+    f) _opt_f=y
        _arg_f=$OPTARG
        _opt_data=y
        ;;
-    d)
-      _opt_d=y
-      _opt_data=y
-      ;;
-    p)
-      _opt_p=y
-      _opt_data=y
-      ;;
-    l)
-      _opt_l=y
-      _opt_data=y
-      ;;
+    d) _opt_d=y
+       _opt_data=y
+       ;;
+    p) _opt_p=y
+       _opt_data=y
+       ;;
+    l) _opt_l=y
+       _opt_data=y
+       ;;
     \?)
-      echo "Uknown option: $OPTARG" >&2
+      echo "Unknown option: $OPTARG" >&2
       usage
       exit 1
       ;;
@@ -78,40 +71,27 @@ done
 
 shift $((OPTIND-1))
 
-if [ -z "$_opt_data" ]
-then
+[ -z "$_opt_data" ] && {
   _opt_p=y
   _opt_d=y
   _opt_l=y
   _opt_L=y
-fi
+}
 
 mkdir -p "$DATA_PATH"
 
-LINES=""
 
-if [ -n "$_opt_f" ]
-then
-  LINES="$(printf "%s\n%s" "$LINES" "$(cat "$_arg_f")" )"
-fi
-if [ -n "$_opt_l" ]
-then
-  LINES="$(printf "%s\n%s" "$LINES" "$(cat "$DATA_PATH"/* 2>/dev/null)" )"
-fi
-if [ -n "$_opt_p" ]
-then
-  LINES="$(printf "%s\n%s" "$LINES" "$(gen_tr_lines_part)" )"
-fi
-if [ -n "$_opt_d" ]
-then
-  LINES="$(printf "%s\n%s" "$LINES" "$(gen_tr_lines_disk)" )"
-fi
+LINES=""
+[ -n "$_opt_f" ] && LINES="$(printf "%s\n%s" "$LINES" "$(cat "$_arg_f")" )"
+[ -n "$_opt_l" ] && LINES="$(printf "%s\n%s" "$LINES" "$(cat "$DATA_PATH"/* 2>/dev/null)" )"
+[ -n "$_opt_p" ] && LINES="$(printf "%s\n%s" "$LINES" "$(gen_tr_lines_part)" )"
+[ -n "$_opt_d" ] && LINES="$(printf "%s\n%s" "$LINES" "$(gen_tr_lines_disk)" )"
 
 LINES=$(echo "$LINES" | grep -v '^$')
 
-if [ -n "$1" ] ; then
-  FILE="$1"
-fi
+FILE=/dev/stdin
+[ -n "$1" ] && FILE="$1"
+
 if [ -t 0 ] || [ -n "$_opt_P" ] && [ -z "$1" ]
 then
 
diff --git a/zumask/zumask b/zumask/zumask
index acdb0b9..53f6d47 100755
--- a/zumask/zumask
+++ b/zumask/zumask
@@ -2,14 +2,15 @@
 
 shift $((OPTIND-1))
 
+# $@ = paths
+default_umask() {
+  find "$@" -type d -print0 | xargs -0 chmod "$(umask -S)" &&
+  find "$@" -type f -print0 | xargs -0 chmod "$(umask -S | tr -d 'x')"
+}
+
 if [ $# -gt 0 ]
 then
-  _path=$*
+  default_umask "$@"
 else
-  _path=$(pwd)
+  default_umask .
 fi
-
-#find "$_path" -type d -exec chmod $(umask -S) {} \;
-#find "$_path" -type f -exec chmod $(umask -S | tr -d 'x') {} \;
-chmod "$(umask -S)" $(find "$_path" -type d)
-chmod "$(umask -S | tr -d 'x')" $(find "$_path" -type f)