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I am reading a file using While loop

while <FILE>
{
$_ = <FILE>;
process data...

}

I would like to quit reading the file once I encounter a String pattern. How do i do it.

is it...

I am trying to read in a 2 column data file into Perl Hash array index. Here is my code.

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

my $file = "file_a";
my @line = ();
my $index = 0;
my...

Hi,
I need help to toggle through dates on a weekly basis to be fed into a script as inputs. The format should be: yyyy/mm/dd (start) yyyy/mm/dd (end), where end date is 7 days increments.
...

Sorry about the confusion.. here is the details. My script generates data every 20 minutes.

File #1
USER maria
RUN 5
WAIT 6
DONE 7
QUEUE short
TOTAL 10

USER bob
RUN 7
WAIT 3
DONE 2...

Thank you.. however for example in my Data.. I have several instances of say USER or WAIT on many lines and want data on those lines to be unique.

USER bob
WAIT 20
RUN 3
DONE 3

USER maria...

I have several files that are being generated every 20 minutes. Each file contains 2 columns. The 1st column is Text, 2nd column is Data.

I would like to generate one single file from all these...