cprint.tests   [plain text]

#
# 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