1 # This program is free software: you can redistribute it and/or modify
2 # it under the terms of the GNU General Public License as published by
3 # the Free Software Foundation, either version 3 of the License, or
4 # (at your option) any later version.
6 # This program is distributed in the hope that it will be useful,
7 # but WITHOUT ANY WARRANTY; without even the implied warranty of
8 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
9 # GNU General Public License for more details.
11 # You should have received a copy of the GNU General Public License
12 # along with this program. If not, see <http://www.gnu.org/licenses/>.
14 IFS='' # testing with only empty IFS
18 printf '|%s|\n' ${1+"$@"}
20 printf '|%s|\n' "${1+$@}"
25 printf '|%s|\n' ${1-"$@"}
26 printf '|%s|\n' "${1-$@}"
30 printf '|%s|\n' "$foo"
34 printf '|%s|\n' "$foo"
37 printf '|%s|\n' ${foo-"$@"}
38 printf '|%s|\n' "${foo-$@}"