use strict;
use warnings;

my ($trigger, $fh_in, $fh_out);

my $split_text = 'This is the temp line.';
my $in = 'input_file.dat';
my $out = 'output_file.dat';

open ($fh_in, $in) or die "ERROR: opening file $in: $@\n";
open ($fh_out, ">$out") or die "ERROR: opening file $out: $@\n";

undef $trigger;
while (<$fh_in>) {
     unless($trigger || /$split_text/) {
          next;     
     } # END unless($trigger || /$split_text/)
     if(/$split_text/) {
          $trigger=1;
          next; # Else delete or comment out this line if you want the
+ split_line printed.
     } # END if(/$split_text/)
     print $fh_out $_;
} # END while (<$fh_in>)

close($fh_in);
close($fh_out);

[download]

In reply to Re: Reading a file from any arbitrary place in the file. by Knom
in thread Reading a file from any arbitrary place in the file. by Anonymous Monk

Title:
Use:  <p> text here (a paragraph) </p>
and:  <code> code here </code>
to format your post, it's "PerlMonks-approved HTML":


  • Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!
  • Titles consisting of a single word are discouraged, and in most cases are disallowed outright.
  • Read Where should I post X? if you're not absolutely sure you're posting in the right place.
  • Please read these before you post! —
  • Posts may use any of the Perl Monks Approved HTML tags:
    a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr
  • You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)
            For:     Use:
    & &amp;
    < &lt;
    > &gt;
    [ &#91;
    ] &#93;
  • Link using PerlMonks shortcuts! What shortcuts can I use for linking?
  • See Writeup Formatting Tips and other pages linked from there for more info.