#!/usr/bin/perl

# always_be_running.pl

use strict;
use warnings;

use File::Temp (); # creates a temporary file in /tmp which is removed when the script exits
my $fh = new File::Temp();
my $fname = $fh->filename;

# now open another file and write the name of the temp file to it
my $checkme = "/home/mojodaddy/checkme.txt";
open CHECKME, "+>$checkme" || die "Can't open checkme file: $!\n"; 
print CHECKME $fname;
close CHECKME;
print "Script says: 'Hey, I just started running!'\n";
sleep 60; # or whatever
print "Script says: 'Boy, I'm bushed! I'm gonna go lie down.'\n";