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Full Discussion: [Need help] perl script to find the occurance of string from a text file
Top Forums Shell Programming and Scripting [Need help] perl script to find the occurance of string from a text file Post 302932193 by acdc on Monday 19th of January 2015 10:57:00 PM
Old 01-19-2015
[Need help] perl script to find the occurance of string from a text file
I have two files
1. input.txt
2. keyword.txt

input.txt has contents like

Code:
.src_ref 0 "call.s" 24 first
      0x000000    0x5a80 0x0060         BRA.l 0x60
.src_ref 0 "call.s" 30 first
      0x000002    0x1bc5                RETI
.src_ref 0 "call.s" 31 first
      0x000003    0x6840                MOV R0L,R0L
.src_ref 0 "call.s" 35 first
      0x000004    0x1bc5                RETI

keyword.txt has contents

Code:
MOV
BRA.l
RETI
ADD
SUB
..
etc

Now I want to read this keyword.txt file and search it in input.txt file and find how many times MOV has occured,how many times BRA.l has occured and so on.

So far I have managed to get it working from a single file itself. here is the code

Code:
#!/usr/bin/perl
use strict;
use warnings;

sub retriver();

my @lines;
my $lines_ref;
my $count;
$lines_ref=retriver();
@lines=@$lines_ref;
$count=@lines;
print "Count :$count\nLines\n";
print join "\n",@lines;

sub retriver()
{
    my $file='C:\Users\vk41286\Desktop\input.txt';
    open FILE, $file or die "FILE $file NOT FOUND - $!\n";
    my @contents=<FILE>;

    my @filtered=grep(/MOV R0L,R0L/,@contents);
    return \@filtered;
}

here i can search only MOV and i am unable to search other instructions like RETI.

I am a newbie on perl and this is not a assignment problem.

OUTPUT should be

Code:
MOV has occured 2  times
RETI has occured 1 time

Thanks for help/guide.

HTML Code:
P.S : This question was posted on stackoverflow and all I could get is bash script , single command line. 

But what I need to perl script.
 

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LEARN ABOUT SUSE

ps2ascii

PS2ASCII(1)							 Ghostscript Tools						       PS2ASCII(1)

NAME

       ps2ascii - Ghostscript translator from PostScript or PDF to ASCII

SYNOPSIS

       ps2ascii [ input.ps [ output.txt ] ]
       ps2ascii input.pdf [ output.txt ]

DESCRIPTION

       ps2ascii  uses  gs(1) to extract ASCII text from PostScript(tm) or Adobe Portable Document Format (PDF) files. If no files are specified on
       the command line, gs reads from standard input; but PDF input must come from an explicitly-named file, not standard input.   If	no  output
       file is specified, the ASCII text is written to standard output.

       ps2ascii  doesn't  look at font encoding, and isn't very good at dealing with kerning, so for PostScript (but not currently PDF), you might
       consider pstotext (see below).

FILES

       Run "gs -h" to find the location of Ghostscript documentation on your system, from which you can get more details.

SEE ALSO

       pstotext(1), http://www.research.digital.com/SRC/virtualpaper/pstotext.html

VERSION

       This document was last revised for Ghostscript version 8.70.

AUTHOR

       Artifex Software, Inc. are the primary maintainers of Ghostscript.  David M. Jones <dmjones@theory.lcs.mit.edu> made  substantial  improve-
       ments to ps2ascii.

8.70								   31 July 2009 						       PS2ASCII(1)
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