HOME=/usr/xyz
XPATH=/bin:/usr/bin:.
ADDPATH=PATH=~/bin:$XPATH
echo $ADDPATH
unset ADDPATH
: ${ADDPATH:=~/bin:~/bin2:$XPATH}
echo $ADDPATH
unset ADDPATH
: ${ADDPATH:=PATH=~/bin:~/bin2:$XPATH}
echo $ADDPATH
cat << !
~/bin
!
echo "~"
echo ${TPATH:-~}
echo "${TPATH:-~}"
echo "${TPATH:-"~"}"
echo "${XPATH+~}"
recho "\a"
recho "${TPATH:-\a}"
SHELL=~/bash
echo $SHELL
case $SHELL in
~/bash) echo ok;;
*) echo bad;;
esac
somevar=
echo "${somevar:-~}"
echo "${somevar:-"~"}"
echo make -k FOO=~/mumble
typeset FOO=~/mumble
echo "$FOO"
h=HOME=~
echo $h
export h=HOME=~
echo $h
x=1234
HOME='/usr/$x/abc'
echo ~
# behavior differs here in posix mode
set -o posix
eval echo $h
eval $h
echo $HOME
set +o posix
eval echo $h
eval $h
echo $HOME