#!/bin/sh


toto=tutu
tata=titi

echo "toto tata titi"
echo "toto"

echo "tata"titi

echo "ta ta"

echo "$toto"tata

echo "$toto"

echo $toto"tata"

echo $"toto"

toto="$toto"

toto="$toto"tata
echo "$toto"
toto="tata"$tata
echo "$toto"
toto=$toto"tata"
echo "$toto"
toto="$toto".tata
echo "$toto"

tata="ta ta"
echo "$tata"

echo "$"
echo \$

toto=tutu
tata=titi

echo 'toto tata titi'
echo 'toto'

echo 'tata'titi

echo 'ta ta'

echo '$toto'tata

echo '$toto'

echo $toto'tata'

echo $'toto'

toto='$toto'

toto='$toto'tata
echo '$toto'
toto='tata'$tata
echo '$toto'
toto=$toto'tata'
echo '$toto'
toto='$toto'.tata
echo '$toto'

tata='ta ta'
echo '$tata'

echo '$'


cat << EOF
"toto"
EOF

printf "%s\n" "" ""'' "toto"