2019-06-28 09:19:41 +02:00
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Index: bzip2-1.0.7/bzgrep
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2016-03-30 15:48:20 +02:00
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===================================================================
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2019-06-28 09:19:41 +02:00
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--- bzip2-1.0.7.orig/bzgrep 2019-06-27 23:10:21.375272508 +0200
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+++ bzip2-1.0.7/bzgrep 2019-06-27 23:10:21.415272635 +0200
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2016-03-30 15:48:20 +02:00
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@@ -65,8 +65,20 @@ for i do
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else
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j=$(echo "$i" | sed 's/\\/&&/g;s/|/\\&/g;s/&/\\&/g')
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j=`printf "%s" "$j" | tr '\n' ' '`
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- bzip2 -cdfq "$i" | $grep $opt "$pat" | sed "s|^|${j}:|"
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- r=$?
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+ # A trick adapted from
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+ # https://groups.google.com/forum/#!original/comp.unix.shell/x1345iu10eg/Nn1n-1r1uU0J
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+ # that has the same effect as the following bash code:
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+ # bzip2 -cdfq "$i" | $grep $opt "$pat" | sed "s|^|${j}:|"
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+ # r=${PIPESTATUS[1]}
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+ exec 3>&1
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+ eval `
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+ exec 4>&1 >&3 3>&-
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+ {
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+ bzip2 -cdfq "$i" 4>&-
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+ } | {
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+ $grep $opt "$pat" 4>&-; echo "r=$?;" >&4
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+ } | sed "s|^|${j}:|"
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+ `
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fi
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test "$r" -ne 0 && res="$r"
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done
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