GNU bug report logs - #25744
dd: add "status=quiet" option

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From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <jidanni@HIDDEN>
To: bug-coreutils@HIDDEN
Subject: make dd quiet except for warnings and errors
Date: Thu, 16 Feb 2017 04:53:03 +0800
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man dd
=E2=80=98status=3DLEVEL=E2=80=99
     Transfer information is normally output to stderr upon receipt of
     the =E2=80=98INFO=E2=80=99 signal or when =E2=80=98dd=E2=80=99 exits=
.  Specifying LEVEL will adjust
     the amount of information printed, with the last LEVEL specified
     taking precedence.

     =E2=80=98none=E2=80=99
          Do not print any informational or warning messages to stderr.
          Error messages are output as normal.

     =E2=80=98noxfer=E2=80=99
          Do not print the final transfer rate and volume statistics
          that normally make up the last status line.

$ dd if=3D/dev/null
0+0 records in
0+0 records out
0 bytes copied, 0.00415153 s, 0.0 kB/s
$ dd if=3D/dev/null status=3Dnoxfer
0+0 records in
0+0 records out
$ dd if=3D/dev/null status=3Dnone
$

I like the final one, except I don't want to miss warnings. So please add=
 a
     =E2=80=98quiet'
          Do not print any informational messages to stderr.
          Warning and error messages are output as normal.