"…a more elegant solution?"

You could take a look at your process table:

 
use strict;
use warnings;
use Proc::ProcessTable;

my $processes = Proc::ProcessTable->new;

for ( @{ $processes->table } ) {
    …;
}

[download]

$_->pid and $_->cmndline might be what you want. See also

«The Crux of the Biscuit is the Apostrophe»

In reply to Re: Mechanism for ensuring only one instance of a Perl script can only run? by karlgoethebier
in thread Mechanism for ensuring only one instance of a Perl script can only run? by redapplesonly

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