Re: bug with grep?

[Norm Jacobs]

Wolfram R. Jarisch wrote:
> I found somewhat surprising that
>
> # man gcc | grep m64
>
> does not produce any output but
>
> # man gcc | grep 64
>
> does. What do I miss? The "m" is not an option - "-m" is...
>   
Seems to work on Ubuntu 9.10 and OpenSolaris build 127 for me.  Which 
OS? Which version of grep?

   opensolaris% uname -a
   SunOS opensolaris 5.11 snv_127 i86pc i386 i86pc
   opensolaris% /usr/gnu/bin/grep -V
   GNU grep 2.5.4

   Copyright (C) 2009 Free Software Foundation, Inc.
   License GPLv3+: GNU GPL version 3 or later
   <http://gnu.org/licenses/gpl.html>
   This is free software: you are free to change and redistribute it.
   There is NO WARRANTY, to the extent permitted by law.

   opensolaris% man gcc | /usr/gnu/bin/grep m64
   Reformatting page.  Please Wait... done
            -mcmodel=code-model -m32  -m64  -mapp-regs
            -mno-fp-in-toc  -mno-sum-in-toc -m64  -m32  -mxl-call
            -mno-tls-direct-seg-refs -mcmodel=code-model -m32  -m64
            -mno-mvcle -m64  -m31  -mdebug  -mno-debug  -mesa
        -m64
        -m64
        -m64
            GNU/Linux for S/390 ABI.  When -m64 is specified,
            -m31, while the s390x targets default to -m64.
            with -m64.  When generating code compliant to the
   opensolaris%