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bug#24024: grep: Mixing "max-count" and "after-context" outputs too few
From: |
Santiago Ruano Rincón |
Subject: |
bug#24024: grep: Mixing "max-count" and "after-context" outputs too few lines |
Date: |
Tue, 19 Jul 2016 13:53:45 +0200 |
Hi,
Igor Bogomazov <address@hidden> filed the following bug against grep in
Debian.
El 18/07/16 a las 14:30, Igor Bogomazov escribió:
> Package: grep
> Version: 2.25-6
> Severity: normal
>
>
> Given after-context=3 it is expected to output at least 4 lines
> as documented, but adding max-count=1 makes it stop on the next
> matching line.
>
> What I do:
>
> $ printf '%s\n' a b a c | grep -m1 -A3 a
>
> What I see:
>
> a
> b
>
> What I expect:
>
> a
> b
> a
> c
>
> -- System Information:
> Debian Release: stretch/sid
> APT prefers unstable
> APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
> Architecture: amd64 (x86_64)
>
> Kernel: Linux 4.6.0-1-amd64 (SMP w/4 CPU cores)
> Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
>
> Versions of packages grep depends on:
> ii dpkg 1.18.9
> ii install-info 6.1.0.dfsg.1-8
> ii libc6 2.23-1
> ii libpcre3 2:8.38-3.1
>
> grep recommends no packages.
>
> Versions of packages grep suggests:
> ii libpcre3 2:8.38-3.1
>
> -- no debconf information
>
Note also the behavior when there is not a second match:
% printf '%s\n' a b d c | grep -m1 -A3 a
a
b
d
c
Cheers,
Santiago
- bug#24024: grep: Mixing "max-count" and "after-context" outputs too few lines,
Santiago Ruano Rincón <=