@@ -1,3 +1,7 @@
+2019-11-22 Tom de Vries <tdevries@suse.de>
+
+ * contrib/words.sh: Combine sed invocations.
+
2019-11-21 Christian Biesinger <cbiesinger@google.com>
* Makefile.in: Update.
@@ -114,12 +114,13 @@
awk \
-f "$awkfile" \
-- "$@" \
- | sed 's/[%^$~#{}`&=@,. \t\/_()|<>\+\*-]/\n/g' \
- | sed 's/\[/\n/g' \
- | sed 's/\]/\n/g' \
- | sed 's/[0-9][0-9]*/\n/g' \
+ | sed \
+ -e 's/[%^$~#{}`&=@,. \t\/_()|<>\+\*-]/\n/g' \
+ -e 's/\[/\n/g' \
+ -e 's/\]/\n/g' \
+ -e 's/[0-9][0-9]*/\n/g' \
+ -e 's/[ \t]*//g' \
| tr '[:upper:]' '[:lower:]' \
- | sed 's/[ \t]*//g' \
| sort \
| uniq -c \
| awk "{ if (($minfreq == 0 || $minfreq <= \$1) \
Sourceware to Gerrit sync has submitted this change. Change URL: https://gnutoolchain-gerrit.osci.io/r/c/binutils-gdb/+/653 ...................................................................... [gdb/contrib] Combine sed invocations in words.sh script Currently running words.sh on all the c source and header files in the repo takes ~16s in user time: ... $ time ./gdb/contrib/words.sh \ $(find -type f -name "*.c" -o -name "*.h") \ >/dev/null real 0m7,787s user 0m16,349s sys 0m0,367s ... Rewrite the sed invocations using the -e option from this: ... | sed <sedprog1> | sed <sedprog2> ... into this: ... | sed \ -e <sedprog1> -e <sedprog2> ... and reduce user time to ~11s: ... $ time ./gdb/contrib/words.sh \ $(find -type f -name "*.c" -o -name "*.h") \ >/dev/null real 0m7,243s user 0m11,220s sys 0m0,205s ... gdb/ChangeLog: 2019-11-22 Tom de Vries <tdevries@suse.de> * contrib/words.sh: Combine sed invocations. Change-Id: Ib08453f3712f32ed02d9f503ee960711ebb9421b --- M gdb/ChangeLog M gdb/contrib/words.sh 2 files changed, 10 insertions(+), 5 deletions(-)