RE: [PATCH] tools: perf: Use "grep -E" instead of "egrep"

From: David Laight
Date: Mon Nov 21 2022 - 12:07:22 EST


From: Ian Rogers
> Sent: 21 November 2022 16:53
...
> My grep is 3.7 and has -E support. ...

As does grep 2.14 on my Ubuntu 13.04 system.

Which isn't that surprising.
IIRC SYSV grep supported -E ~1990 and gnu grep probably had
to match the syntax.

David

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