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selftests: powerpc: Use "grep -E" instead of "egrep"

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The latest version of grep claims the egrep is now obsolete so the build
now contains warnings that look like:
	egrep: warning: egrep is obsolescent; using grep -E
fix this using "grep -E" instead.

  sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/testing/selftests/powerpc`

Here are the steps to install the latest grep:

  wget http://ftp.gnu.org/gnu/grep/grep-3.8.tar.gz
  tar xf grep-3.8.tar.gz
  cd grep-3.8 && ./configure && make
  sudo make install
  export PATH=/usr/local/bin:$PATH

Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1669862997-31335-1-git-send-email-yangtiezhu@loongson.cn
This commit is contained in:
Tiezhu Yang 2022-12-01 10:49:57 +08:00 committed by Michael Ellerman
parent 6b34a099fa
commit 5921eb36d2
1 changed files with 1 additions and 1 deletions
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2
tools/testing/selftests/powerpc/scripts/hmi.sh
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@ -36,7 +36,7 @@ trap "ppc64_cpu --smt-snooze-delay=100" 0 1
# for each chip+core combination
# todo - less fragile parsing
egrep -o 'OCC: Chip [0-9a-f]+ Core [0-9a-f]' < /sys/firmware/opal/msglog |
grep -E -o 'OCC: Chip [0-9a-f]+ Core [0-9a-f]' < /sys/firmware/opal/msglog |
while read chipcore; do
chip=$(echo "$chipcore"|awk '{print $3}')
core=$(echo "$chipcore"|awk '{print $5}')