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Full Discussion: Extract part of a string
Top Forums Shell Programming and Scripting Extract part of a string Post 302761895 by newbie2010 on Sunday 27th of January 2013 10:49:32 AM
Old 01-27-2013
Extract part of a string
I have a file with 100s of lines of text. I want to perform an extraction of this line:

Code:
Info bpzs(pid=2652) using 1000 bits

I have not been able to extract it. Should I try expr match or is there another method? This line has data both in front of and in back of it. I do not have grep -o as an option on my system. Any ideas are greatly appreciated.
 

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LEARN ABOUT PLAN9

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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