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Diffstat (limited to '')
| -rw-r--r-- | tests/redir4.sub | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/tests/redir4.sub b/tests/redir4.sub new file mode 100644 index 0000000..a482985 --- /dev/null +++ b/tests/redir4.sub @@ -0,0 +1,69 @@ +# 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/>. +# +minus=- + +# standard input +fd=0 + +exec 3<&$fd + +read line <&3 +echo from stdin: $line + +# close fd 3 +exec 3<&${minus} + +# should give `bad fd', but exact error messages vary +# read line <&3 + +# standard output +fd=1 + +exec 4>&$fd + +echo to stdout >&4 + +exec 4>&$minus + +# should give `bad fd', but exact error messages vary +# echo to stdout >&4 + +unset fd + +# these are ambiguous redirects +exec 3<&$fd +exec 4>&$fd + +exec 3>&1 4>&2 + +exec >&${TMPDIR}/err-and-out +echo to stdout +echo to stderr >&2 + +exec 1>&3 2>&4 +echo err-and-out: +cat ${TMPDIR}/err-and-out + +rm ${TMPDIR}/err-and-out + +fd=${TMPDIR}/err-and-out +exec >&$fd +echo to stdout +echo to stderr >&2 + +exec 1>&3 2>&4 +echo err-and-out: +cat ${TMPDIR}/err-and-out + +rm ${TMPDIR}/err-and-out |