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Full Discussion: search for content in files. Name of files is in another file. Format as report.
Top Forums Shell Programming and Scripting search for content in files. Name of files is in another file. Format as report. Post 302678427 by pkabali on Saturday 28th of July 2012 12:14:18 AM
Old 07-28-2012
search for content in files. Name of files is in another file. Format as report.
Hi I have multiple files in a folder and one file which contains a list of files (one on each line). I was to search for a string only within these files and not the whole folder. I need the output to be in the form

Code:
File1<tab>string instance 2<tab> string instance 2<tab>string instance 3
File2<Tab>string instance 1

I managed to get the output , but with each instance on a new line with the following

Code:
grep string `cat filenamelist.txt`

I need it in tabbed form, was hoping tr would do it however it made all the items on the same line including the 2 files.

Code:
grep string `cat filenamelist.txt` | tr "\n" "\t"

how can I format it the way I want without a loop?
 

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LEARN ABOUT V7

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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