Set the input record separator to '#end trans#'.

use warnings;
use strict;
$/ = '#end trans#';
my $user = 'me';

while (my $lines = <DATA>){
    if ($lines =~ /user=$user\b/){
        my @matches = $lines =~ /\bblah\b/g;
        print "$user - ", join ' ', @matches, "\n";
    }
}


__DATA__
2005/06/06 12:00:00 user=me func(<- start
blah blah blah
blah blah
blah
) #end trans# <- end
2005/06/06 12:01:00 user=other func(
blah blah blah
blah blah
) #end trans#

[download]

Update added code to filter on user name.

In reply to Re: Fetch data between markers by thundergnat
in thread Fetch data between markers by penantes

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.