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minimal/do: faster deletion of stamp files.

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"while/read/printf | xargs -0" is much faster than while/read/rm, because it
doesn't fork so many times.
This commit is contained in:
Avery Pennarun 2011-01-01 04:07:57 -08:00
commit 7142c342ae
1 changed files with 4 additions and 2 deletions
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6
minimal/do
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@ -22,7 +22,8 @@ if [ -z "$DO_BUILT" ]; then
if [ -e "$DO_BUILT" ]; then
echo "Removing previously built files..." >&2
sort -u "$DO_BUILT" | tee "$DO_BUILT.new" |
while read f; do rm -f "$f" "$f.did" 2>/dev/null; done
while read f; do printf "%s\0%s.did\0" "$f" "$f"; done |
xargs -0 rm -f 2>/dev/null
mv "$DO_BUILT.new" "$DO_BUILT"
fi
DO_PATH=$DO_BUILT.dir
@ -114,5 +115,6 @@ fi
if [ -n "$DO_TOP" ]; then
echo "Removing stamp files..." >&2
while read f; do rm -f "$f.did" 2>/dev/null; done <"$DO_BUILT"
while read f; do printf "%s.did\0" "$f"; done <"$DO_BUILT" |
xargs -0 rm -f 2>/dev/null
fi