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Diffstat (limited to 'tests/dollar-star7.sub')
| -rw-r--r-- | tests/dollar-star7.sub | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/tests/dollar-star7.sub b/tests/dollar-star7.sub new file mode 100644 index 0000000..db352bf --- /dev/null +++ b/tests/dollar-star7.sub @@ -0,0 +1,43 @@ +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. +# +# 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 $* +recho "$*" |