.saloperies

echo test1 &| echo test2
echo hello','$USER'$USER'"$USER,"world
echo "test1"&&echo "test2"
cat << STOP || cat << STOP
<< "STOP"
> test1 echo > test2 "mdr" > test3
cat <
echo a &&
(echo ahaha) > toto

export TEST=mdr"salut      '   ""  $USER    ' * '  '      oui"
echo $TEST

"l"s
export a=3 | env

exit | exit 42
echo $?

echo -n -n-n
<< $PWD | << $HOME

"$USER "$USER" '$USER' ''"'$USER'

export TEST="-n"
echo $TEST hello

> toto

export test1 123 test2
echo $?


------HEREDOC---------
bash-5.0$ cat << 'end'
> $USER
> end
$USER

bash-5.0$ cat << end
> $USER
> end
ajung

bash-5.0$ cat << e'n'd
> $USER
> end
$USER

bash-5.0$ cat
^\Quit (core dumped)

echo -

echo test"   test2                        test3                                       test4"test5

exit -42

export test=cho
e$test bonjour