[BraLUG] fgrep, egrep und grep als Symlinks

[slipway at inbev.de]

[root at susa:~]
# uname -srvi
Linux 2.6.32-131.0.15.el6.x86_64 #1 SMP Sat May 21 10:27:57 CDT 2011 x86_64

[root at susa:~]
# rpm -qi sl-release
Name        : sl-release                   Relocations: (not relocatable)
Version     : 6.1                               Vendor: Scientific Linux
Release     : 2                             Build Date: Wed 27 Jul  
2011 05:07:19 PM CEST
Install Date: Tue 30 Aug 2011 09:14:54 AM CEST      Build Host: sl6.fnal.gov
Group       : System Environment/Base       Source RPM:  
sl-release-6.1-2.src.rpm
Size        : 42184                            License: GPLv2
Signature   : DSA/SHA1, Wed 27 Jul 2011 05:10:10 PM CEST, Key ID  
b0b4183f192a7d7d
Packager    : Scientific Linux
Summary     : Scientific Linux release file
Description :
Scientific Linux release files

[root at susa:~]
# ls -il /bin/*grep
5733 -rwxr-xr-x 1 root root 106528 Nov 23  2010 /bin/egrep
  797 -rwxr-xr-x 1 root root  71456 Nov 23  2010 /bin/fgrep
1984 -rwxr-xr-x 1 root root 111360 Nov 23  2010 /bin/grep

[root at susa:~]
# file /bin/*grep
/bin/egrep: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),  
dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped
/bin/fgrep: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),  
dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped
/bin/grep:  ELF 64-bit LSB executable, x86-64, version 1 (SYSV),  
dynamically linked (uses shared libs), for GNU/Linux 2.6.18, stripped

[root at susa:~]
# rpm -qf /bin/*grep
grep-2.6.3-2.el6.x86_64
grep-2.6.3-2.el6.x86_64
grep-2.6.3-2.el6.x86_64






Quoting "Frank Hofmann" <frank.hofmann at efho.de>:

> Hallo zusammen,
>
> bei früheren Debian-Releases (bis Etch / 4.0) waren fgrep und egrep Sym-
> oder Hardlinks auf grep:
>
> $ cat /bin/fgrep
> #!/bin/sh
> exec grep -F ${1+"$@"}
> $
>
> Mittlerweile hat sich das geändert und es sind eigenständige Binaries
> geworden. Weiß jemand, wie das bei den anderen Distris gehandhabt wird?
>
> ... interessiert sich Frank
>
> --
> Dipl.-Inf. Frank Hofmann
> Hofmann EDV - Linux, Layout und Satz
> c/o buero 2.0
> 12059 Berlin - Weigandufer 45
> web  http://www.efho.de
> mail frank.hofmann at efho.de
> tel  030/2000 586 80
>