[thirdparty/bash.git] / tests / dollar-star7.sub

# if IFS side effects in ${IFS=} assignments take place, how do you cope with
# later changes to IFS in the same set of expansions?  You've already
# committed to using the first character of the (old) IFS to expand $* in
# the previous expansions, and changing it to not include ' ', for instance,
# results in the first couple of ${*} below not being split at all

set -f -- a b c

unset -v IFS
printf '<%s> ' ${*}${IFS=}${*}${IFS:=-}"${*}"
echo
printf "after 1: IFS "
echo "${IFS-unset}"
recho "$*"

set -f -- a 'b c' d
unset -v IFS
printf '<%s> ' ${*}${IFS=}${*}${IFS:=-}"${*}"
echo
printf "after 2: IFS "
echo "${IFS-unset}"
recho "$*"

unset -v IFS
recho $*
recho "$*"

IFS=' '
recho $*
recho "$*"
Commit	Line	Data
ac50fbac CR	1	# if IFS side effects in ${IFS=} assignments take place, how do you cope with
	2	# later changes to IFS in the same set of expansions? You've already
	3	# committed to using the first character of the (old) IFS to expand $* in
	4	# the previous expansions, and changing it to not include ' ', for instance,
	5	# results in the first couple of ${*} below not being split at all
	6
	7	set -f -- a b c
	8
	9	unset -v IFS
	10	printf '<%s> ' ${}${IFS=}${}${IFS:=-}"${*}"
	11	echo
	12	printf "after 1: IFS "
	13	echo "${IFS-unset}"
	14	recho "$*"
	15
	16	set -f -- a 'b c' d
	17	unset -v IFS
	18	printf '<%s> ' ${}${IFS=}${}${IFS:=-}"${*}"
	19	echo
	20	printf "after 2: IFS "
	21	echo "${IFS-unset}"
	22	recho "$*"
	23
	24	unset -v IFS
	25	recho $*
	26	recho "$*"
	27
	28	IFS=' '
	29	recho $*
	30	recho "$*"