Hi Perlmonks,

I was trying to get 10 characters that comes after a matching string in the output file. Though, I was able to do the matching and print it in the output, I found it a bit hard to only print the 10 characters that follows the matching word. 


#!usr/bin/perl -w
use strict;
use warnings;

my @input_files=<*.txt>;
my $local_count=0;



foreach my $input_file(@input_files)
{
unless (open(INPUT, $input_file))
{
    print "Cannot open file \"$input_file\"\n\n";
    exit;
}

my $sequence='ABCD';

while (my $line=<INPUT>)
{
    if ($local_count==0){
    my $outfile=$input_file;
    $outfile=~ s/\.txt/\.tag\.txt/gi;
    unless (open (OUTPUT, ">$outfile"))
    {
        print "Cannot open file \"$outfile\"\n\n";
        exit;
    }
    }
    chomp $line;
 
     
   if($line=~m/$sequence/i){
              $local_count++;
        print OUTPUT"$sequence\n";
    }
    
    }
}

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In reply to Printing ten characters succeeding a matching string by bluray

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