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Full Discussion: extracting information from multiple files
Top Forums Shell Programming and Scripting extracting information from multiple files Post 302571442 by ahamed101 on Monday 7th of November 2011 11:22:10 AM
Old 11-07-2011
There was a bug... Corrected it with changes you have requested... Try this...
Code:
#!/bin/bash
awk '
FILENAME != "list"{
        if(filename!=FILENAME){
                filename=FILENAME;
                a[FILENAME"HDR"]=$0;
                next;
        }
        a[FILENAME$3]=$0;
        f[FILENAME]++;
        next;
}
{
        print $0
        for(i in f){
                if(a[i$0]){
                print "From "a[i"HDR"]" point of view"
                print a[i"HDR"]
                print a[i$0]
                }else{
                        print "No results from "a[i"HDR"]" point of view"
                }
        }
        print "\n"
}
'  file*.txt list > output

--ahamed
Last edited by ahamed101; 11-07-2011 at 12:33 PM..
 

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LEARN ABOUT MINIX

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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