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|
#
# a nonsense script and shell function to test out the command printing code
#
tf()
{
# simple command with redir
echo this is ${0##*/} > /dev/null
# pipeline
echo a | cat - > /dev/null
test -f ${0##*/} && echo ${0##*/} is a regular file
test -d ${0##*/} || echo ${0##*/} is not a directory
echo a ; echo b ; echo c
echo background >/dev/null &
( exit 1 )
echo $?
{ echo a ; }
i=0
while (( i < 3 )); do
test -r /dev/fd/$i
i=$(( i + 1 ))
done
[[ -r /dev/fd/0 && -w /dev/fd/1 ]] || echo oops > /dev/null
for name in $( echo 1 2 3 ); do
test -r /dev/fd/$name
done
if [[ -r /dev/fd/0 && -w /dev/fd/1 ]] ; then
echo ok > /dev/null
elif (( 7 > 40 )) ; then
echo oops
else
echo done
fi > /dev/null
case $PATH in
*$PWD*) echo \$PWD in \$PATH ;;
*) echo \$PWD not in \$PATH ;;
esac > /dev/null
while false; do echo z; done > /dev/null
until true; do echo z ; done > /dev/null
echo \&\|'()' \{ echo abcde \; \}
# when not in POSIX mode, we can have weirdly-named functions
eval fu\%nc'()' \{ echo abcde \; \}
type fu\%nc
}
tf2()
{
( { time -p echo a | cat - > /dev/null ; } ) 2>&1
}
type tf
type tf2
tf
|
