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Chet Ramey
60 lines
1.8 KiB
Plaintext
60 lines
1.8 KiB
Plaintext
# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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a=7
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echo 'abcdefg|xyz' | {
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read -d '|' a
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echo a = "${a-unset}"
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cat - # make sure we don't read too much
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}
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echo xyz 123 | {
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read -d ' ' a
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echo a = "${a-unset}"
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}
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echo xyz 123 | {
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read -d $'\n' a
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echo a = -"${a-unset}"-
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}
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a=44
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echo abcd | {
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read -d d a
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echo a = $a
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}
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# incomplete and invalid multibyte characters followed by the delimiter
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printf 'A\0B\315\0C\226\0' | while IFS= read -rd '' f; do printf '<%q>\n' "$f"; done
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printf 'A\nB\315\nC\226\n' | while IFS= read -r f; do printf '<%q>\n' "$f"; done
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printf '%b\0' winter spring 'summer\0200apple\0200banana\0200cherry' automn |
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while IFS= read -rd "" season; do LC_ALL=C printf "<%q>\n" "$season"; done
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printf '%b\200' winter 'spring\0375' summer automn |
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while IFS= read -rd $'\200' season; do LC_ALL=C printf "<%q>\n" "$season"; done
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# this test is encoding-dependent, and varies from system to system
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#: ${TMPDIR:=/tmp}
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#INFILE=$TMPDIR/read-in-$$
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#printf '%b\243' winter 'spring\0375' '\0277summer' '\0277' automn > $INFILE
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#
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#LANG=zh_HK.big5hkscs
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#while IFS= read -rd $'\243' season; do
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# LC_ALL=C printf "<%q>\n" "$season"
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#done < $INFILE
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#
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#rm -f $INFILE
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exit 0
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