linux-kernel - Re: [PATCH] tools/vm/slabinfo-gnuplot: Use "grep -E" instead of "egrep"

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Message-ID: <CAHqPoqJKG7sW7KcWnQNxcFL9a2iOhbqp-1D4W0BC+5-HRF-bhQ@mail.gmail.com>
Date:   Sat, 19 Nov 2022 12:13:05 +0900
From:   Sergey Senozhatsky <sergey.senozhatsky@...il.com>
To:     Tiezhu Yang <yangtiezhu@...ngson.cn>
Cc:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] tools/vm/slabinfo-gnuplot: Use "grep -E" instead of "egrep"

On Sat, Nov 19, 2022 at 11:37 AM Tiezhu Yang <yangtiezhu@...ngson.cn> wrote:
>
> 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 up by moving the related file to use "grep -E" instead.
>
>   sed -i "s/egrep/grep -E/g" `grep egrep -rwl tools/vm`
>
> 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@...ngson.cn>

Reviewed-by: Sergey Senozhatsky <senozhatsky@...omium.org>