From: David Laight <David.Laight@ACULAB.COM>
To: 'Ian Rogers' <irogers@google.com>, Tiezhu Yang <yangtiezhu@loongson.cn>
Cc: Peter Zijlstra <peterz@infradead.org>,
Ingo Molnar <mingo@redhat.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Alexander Shishkin <alexander.shishkin@linux.intel.com>,
Jiri Olsa <jolsa@kernel.org>,
"Namhyung Kim" <namhyung@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-perf-users@vger.kernel.org"
<linux-perf-users@vger.kernel.org>
Subject: RE: [PATCH] tools: perf: Use "grep -E" instead of "egrep"
Date: Mon, 21 Nov 2022 17:05:35 +0000 [thread overview]
Message-ID: <50f4e48bcdc4496f90f28d241ee42003@AcuMS.aculab.com> (raw)
In-Reply-To: <CAP-5=fWtFktYKch+4Sv4zSHoW8SO96yEsyQgDKApyR20UjXhSA@mail.gmail.com>
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
-
Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK
Registration No: 1397386 (Wales)
next prev parent reply other threads:[~2022-11-21 17:07 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-11-18 9:16 [PATCH] tools: perf: Use "grep -E" instead of "egrep" Tiezhu Yang
2022-11-19 18:17 ` Ian Rogers
2022-11-21 2:58 ` Tiezhu Yang
2022-11-21 16:52 ` Ian Rogers
2022-11-21 17:05 ` David Laight [this message]
2022-12-14 16:27 ` Arnaldo Carvalho de Melo
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