env

env

export BLOU=
env
unset BLOU
env

unset LOL ROR
env

unset blablabla
env

export var

export var=test

export var ="cat Makefile | grep >"

export "test=ici"=coucou

export LOL=lala ROR=rara

export "HI= hi"

export "HI =hi"

export b='\\'
export c="\b"
env

export a=hijdoehet
env

export test=working
env

export test1
env

export test1=
env

export 1test
env

export _TEST=DOethetwelmetunderscore
env

env
echo
export a=hijdoehet
echo
env

echo
export test=working
echo
env

echo
export test1
echo
env

echo
export test1=
echo
env

export ZZZ
export ZZZ=
env

export TEST="evenchecken"
echo $TEST

unset a
env
unset test
unset test1
env

unset PATH
ls
wc
awk

export PATH="test:working:multiplepath:directory1:directory2"
/usr/bin/env

export ZZZ
env

export ZZZ=
env

export ZZZ=new_value
env

export ZZZ======new
env

export ZZZ=new YYY=new2 XXX===new3
env

export $USER
env

export TEST=$USER4857987345
env

export 123$USER---
env

export MARANSIEMONS
env

export MARANSIEMONS=lief
env

export TEST=/Users/maran/Desktop/minishell

export kip=ei=koe===melk
env

export TEST1=test1 TEST2=test2
env
unset TEST1
unset TEST2
env

export TEST1=test1 TEST2=test2
unset TEST1 TEST2
env

export TEST1=test1
export TEST2=test2
unset TEST1 TEST2
env

export ""
env

unset ""
env


env | grep -v -E '^_=' | sort

cd ../
env | grep -v -E '^_=' | sort

env | grep -v -E '^declare -x _='

export 1 _+ _OK _2? _OK2=VAR =NG OK3=
env | grep -v -E '^declare -x _='

export dquote='"' dollar='$' backslash='\' backquote='`' newline='\n'
env | grep -v -E '^declare -x _='

export APPEND_NONE=1
export APPEND_NONE+=
env | grep APPEND_NONE

export APPEND_NONE=
export APPEND_NONE=
export APPEND_NONE+=
env | grep APPEND_NONE

export APPEND_EMPTY=""
export APPEND_EMPTY=""
export APPEND_EMPTY=""
env | grep APPEND_EMPTY

export OVERWRITE=42
export OVERWRITE=a
env | grep OVERWRITE

export A=B=C=D
env | grep A

export PATH
env | grep PATH

export PWD
env | grep PWD

export OLDPWD
env | grep OLDPWD

unset OLDPWD
cd ..
export OLDPWD=new_value
env | grep OLDPWD

unset OLDPWD
cd ..
export OLDPWD
env | grep OLDPWD

export =
env

export PATH=":"
ls , cp /bin/ls .
chmod 000 ls

export PATH=":/"
ls , cp /bin/ls .
chmod 000 ls

export PATH="::"
ls , cp /bin/ls .
chmod 000 ls

export PATH="/:"
ls , cp /bin/ls .
chmod 000 ls

export PATH="/bin:"
ls , cp /bin/ls .
chmod 000 ls

export PATH=":/bin"
ls , cp /bin/ls .
chmod 000 ls

export PATH="::/bin::"
ls , cp /bin/ls .
chmod 000 ls

export PATH="/bin:"
ls , cp /bin/ls .
chmod 000 ls

export PATH="hello:"
ls , cp /bin/ls .
chmod 000 ls

export PATH=""
nosuchfile

export PATH=''
nosuchfile

unset PATH
nosuchfile

unset PATH
export PATH
nosuchfile

unset PATH
export PATH=
nosuchfile

export PATH=":a:b"
mkdir a b
printf '#!/bin/bash\necho a' > a/cmd
printf '#!/bin/bash\necho b' > b/cmd
printf '#!/bin/bash\necho cwd' > cmd
chmod +x a/cmd b/cmd cmd

export PATH="b:a:"
mkdir a b
printf '#!/bin/bash\necho a' > a/cmd
printf '#!/bin/bash\necho b' > b/cmd
printf '#!/bin/bash\necho cwd' > cmd
chmod +x a/cmd b/cmd cmd

export PATH="a:b"
mkdir a b
printf '#!/bin/bash\necho a' > a/cmd
printf '#!/bin/bash\necho b' > b/cmd
printf '#!/bin/bash\necho cwd' > cmd
chmod +x a/cmd b/cmd cmd

export PATH="no_such_dir:a"
mkdir a
printf '#!/bin/bash\necho a' > a/cmd
printf '#!/bin/bash\necho cwd' > cmd
chmod +x a/cmd b/cmd cmd

export PATH="no_such_dir1:no_such_dir2:"
printf '#!/bin/bash\necho cwd' > cmd
chmod +x a/cmd b/cmd cmd

unset
env | grep -v -E '^_=' | sort

unset A
echo $A
export A='test $A'

unset _A1
echo $_A1
export _A1='test $_A1'

unset A B C
echo $A$B$C$D
export A=test B=multiple C=var D=hello

unset A B =invalid C
echo $A$B$C$D
export A=test B=multiple C=var D=hello

unset PWD
echo $PWD

unset OLDPWD
echo $OLDPWD

unset NO_SUCH_ENV
echo $?$NO_SUCH_ENV
unset NO_SUCH_ENV

unset 1

unset A=a
echo $A
export A=a

unset ' \"$&`\n'