If those nested loops are there to read only the next line, use if ( $line = <$log>) { ... } else { last; } instead of your while

if the line you are looking for might not be the next line but one of the next lines, then you have to use a while, but inside that while loop you need something to break that loop, like

if ( found_what_I_was_looking_for ) { print the_information last; }

Note that logfiles might have those additional lines intermixed with lines from other log events. If you want to catch that too, your program needs to remember unfinished events or cache new events until the unfinished event was processed


In reply to Re: Comma seperated output by jethro
in thread Comma seperated output by namishtiwari

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.