forks/apenwarr-redo
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

minimal/do: faster deletion of stamp files.

Browse source 
"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
Download patch file Download diff file Expand all files Collapse all files

6
minimal/do
View file

@ -22,7 +22,8 @@ if [ -z "$DO_BUILT" ]; then
if [ -e "$DO_BUILT" ]; then if [ -e "$DO_BUILT" ]; then
echo "Removing previously built files..." >&2 echo "Removing previously built files..." >&2
sort -u "$DO_BUILT" | tee "$DO_BUILT.new" | sort -u "$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" "$DO_BUILT" mv "$DO_BUILT.new" "$DO_BUILT"
fi fi
DO_PATH=$DO_BUILT.dir DO_PATH=$DO_BUILT.dir
@ -114,5 +115,6 @@ fi
if [ -n "$DO_TOP" ]; then if [ -n "$DO_TOP" ]; then
echo "Removing stamp files..." >&2 echo "Removing stamp files..." >&2
while read f; do rm -f "$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 fi