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# 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/>.
#
a=7
echo 'abcdefg|xyz' | {
read -d '|' a
echo a = "${a-unset}"
cat - # make sure we don't read too much
}
echo xyz 123 | {
read -d ' ' a
echo a = "${a-unset}"
}
echo xyz 123 | {
read -d $'\n' a
echo a = -"${a-unset}"-
}
a=44
echo abcd | {
read -d d a
echo a = $a
}
# incomplete and invalid multibyte characters followed by the delimiter
printf 'A\0B\315\0C\226\0' | while IFS= read -rd '' f; do printf '<%q>\n' "$f"; done
printf 'A\nB\315\nC\226\n' | while IFS= read -r f; do printf '<%q>\n' "$f"; done
printf '%b\0' winter spring 'summer\0200apple\0200banana\0200cherry' automn |
while IFS= read -rd "" season; do LC_ALL=C printf "<%q>\n" "$season"; done
printf '%b\200' winter 'spring\0375' summer automn |
while IFS= read -rd $'\200' season; do LC_ALL=C printf "<%q>\n" "$season"; done
# this test is encoding-dependent, and varies from system to system
#: ${TMPDIR:=/tmp}
#INFILE=$TMPDIR/read-in-$$
#printf '%b\243' winter 'spring\0375' '\0277summer' '\0277' automn > $INFILE
#
#LANG=zh_HK.big5hkscs
#while IFS= read -rd $'\243' season; do
# LC_ALL=C printf "<%q>\n" "$season"
#done < $INFILE
#
#rm -f $INFILE
exit 0
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