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Optimization: get rid of triple run of isoinfo -d.

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Signed-off-by: Andrew Borodin <aborodin@vmail.ru>
This commit is contained in:
Andrew Borodin 2011-02-04 10:56:43 +03:00
parent 3293c5b237
commit d9fc47453b
1 changed files with 7 additions and 5 deletions
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12
lib/vfs/mc-vfs/extfs/iso9660.in
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@ -23,12 +23,14 @@ test_iso () {
JOLIET_OPT="-J"
fi
ISOINFO="isoinfo -R"
isoinfo -d -i "$1" 2>/dev/null | @GREP@ "UCS level 1\|NO Joliet" > /dev/null || ISOINFO="$ISOINFO $JOLIET_OPT"
if [ `isoinfo -d -i "$1" 2>/dev/null | @GREP@ "Joliet with UCS level 3 found" | wc -l` == 1 ] ; then
if [ `isoinfo -d -i "$1" 2>/dev/null | @GREP@ "NO Rock Ridge" | wc -l` == 1 ] ; then
SEMICOLON="YES"
fi
ISOINFO_D_I="`isoinfo -d -i "$1" 2>/dev/null`"
echo "$ISOINFO_D_I" | @GREP@ "UCS level 1\|NO Joliet" > /dev/null || ISOINFO="$ISOINFO $JOLIET_OPT"
if [ `echo "$ISOINFO_D_I" | @GREP@ "Joliet with UCS level 3 found" | wc -l` = 1 \
-a `echo "$ISOINFO_D_I" | @GREP@ "NO Rock Ridge" | wc -l` = 1 ] ; then
SEMICOLON="YES"
fi
}