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all: use grep -E/-F instead of fgrep/egrep

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egrep and fgrep are obsolescent now.

This PR updates all egrep and fgrep commands to grep -E and grep -F.
Running egrep/fgrep command with grep v3.8 will output the following warning to stderr:
egrep: warning: egrep is obsolescent; using grep -E

see also:
https://www.phoronix.com/news/GNU-Grep-3.8-Stop-egrep-fgrep
https://lists.gnu.org/archive/html/info-gnu/2022-09/msg00001.html

Change-Id: I0c6b6a039063d6aee94e8500971001996d4e498c
GitHub-Last-Rev: 1eee6147666503d274b244a65daa58cded466704
GitHub-Pull-Request: golang/sys#137
Reviewed-on: https://go-review.googlesource.com/c/sys/+/432835
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Reviewed-by: Carlos Amedee <carlos@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
kxxt
2022-10-06 21:19:17 +00:00
committed by Gopher Robot
parent f11e5e49a4
commit 84dc82d7e8
2 changed files with 4 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
plan9/mkerrors.sh
+2 -2
View File
@@ -126,7 +126,7 @@ errors=$(
signals=$(
echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT' |
sort
)
@@ -136,7 +136,7 @@ echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
sort >_error.grep
echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
grep -v 'SIGSTKSIZE\|SIGSTKSZ\|SIGRT' |
sort >_signal.grep
echo '// mkerrors.sh' "$@"