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Full Discussion: remove part of a line
Top Forums Shell Programming and Scripting remove part of a line Post 302164804 by shamrock on Wednesday 6th of February 2008 01:27:31 AM
Old 02-06-2008
Quote:
Originally Posted by tiger99
Hi All
Thank you all for your help. I am using cut, because it's easier to understand for me


I have an issue with grep before pipe the result to get the $$.. removed.

I have
grep ".proc" file.txt | cut ....

From my understanding, it should only return lines with .proc
However, I am not getting how come the following line also gets returned?

/vobs/aw/database/proc/Account$$/main

Can someone help me, how can I modify my grep so that only something like a.proc or b.proc get returned ?

Thanks
That's because the "." stands for any character and grep matches it to the slash that comes before proc (/proc). To match "." escape it so that it loses its special meaning...

Code:
grep "\.proc" file.txt | cut

 

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LEARN ABOUT X11R4

zgrep

ZGREP(1)                                                      General Commands Manual                                                     ZGREP(1)

NAME

       zgrep - search possibly compressed files for a regular expression

SYNOPSIS

       zgrep [ grep_options ] [ -e ] pattern filename...

DESCRIPTION

       Zgrep  invokes  grep  on  compressed  or  gzipped  files.   These  grep  options  will  cause  zgrep  to  terminate  with  an  error  code:
       (-[drRzZ]|--di*|--exc*|--inc*|--rec*|--nu*).  All other options specified are passed directly to grep.  If no file is specified,  then  the
       standard input is decompressed if necessary and fed to grep.  Otherwise the given files are uncompressed if necessary and fed to grep.

       If the GREP environment variable is set, zgrep uses it as the grep program to be invoked.

EXIT CODE

       2 - An option that is not supported was specified.

AUTHOR

       Charles Levert (charles@comm.polymtl.ca)

SEE ALSO

       grep(1), gzexe(1), gzip(1), zdiff(1), zforce(1), zmore(1), znew(1)

                                                                                                                                          ZGREP(1)
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