Make this a little more clear 
open me, '>f:\scripts\text\nodeup.txt';
print me "$ARGV[1] $ARGV[2] is UP on $ARGV[0].\n";
close me
 $ROUTE="myfile"
open route, $ROUTE or die " can't $route\n";
@lines=<ROUTE>
  my $TEST = $ARGV
  
if (grep {$test eq $ARGV} @lines) {
   do command here}

close ROUTE;
exit 0;

[download]
[Note: edited by the Editor to make it a little clearer.]

Originally posted as a Categorized Question.

In reply to On the ARGV again by dallok

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.