Well. After a bit more searching, I've decided on Proc::Simple. For the sake of brevity, I nearly went for firing a system sleep, and simply appending an &, to background it. But I'm not excited about firing any more system calls, than absolutely necessary.

I also found http://search.cpan.org/~dapm/perl-5.14.4/pod/perlfaq8.pod#How_do_I_start_a_process_in_the_background? a good read. Wish I read that before I started this. :)

--Chris

Well. After attempting every possible iteration, or combination available to me via Process::Simple, and the example listed in perlfaq8:

system("cmd &")

I have concluded that it is not possible to perform my desired action(s) with sleep. Where is it is called from the web (via a function that also delivers a web page).

So don't try this at home, kids! ;-)

--Chris

¡λɐp ʇɑəɹ⅁ ɐ əʌɐɥ puɐ ʻꜱdləɥ ꜱᴉɥʇ ədoH

what did you try, show the iterations ?

Try something like

#!/usr/bin/perl --
use strict;
use warnings;

## use File::Spec; our $thisf = File::Spec->rel2abs( __FILE__ );
use Path::Tiny qw/ path /; 
our $thisfile = path( __FILE__ )->realpath;
    
Main( @ARGV );
exit( 0 );

sub Main {
    my( $command, @args ) = @_;
    my %commands = ( 
        deleteafter => \&DeleteAfter, 
        indexpage => \&IndexPage,
        servefile => \&ServeFile,
    );
    my $action = $commands{lc $command} || \&IndexPage;
    $action->( @args );
}

sub IndexPage {
    require CGI;
    my( $q ) = CGI->new;
    if( my $temporaryfile = AllowedTemporaryFile( $q ) ){
        BackgroundDeleteAfter( $temporaryfile, $seconds );
        return ServeFile( $q, $temporaryfile );
    }
    
    return ListFiles( $q );
}


sub DeleteAfter {
    my $time = shift;
    close STDIN;
    close STDOUT;
## close STDERR; open STDERR ...;
    sleep $time;
    unlink($_) for @_;
}

sub BackgroundDeleteAfter {
    require Proc::Background;
    Proc::Background->new( 
        $^X, 
        $thisfile, 
        deleteafter => @_
    );
}

sub AllowedTemporaryFile { ... }
sub ListFiles { ... }
sub ServeFile {
    my( $q, $file ) = @_;
    ## see [id://1151407]
}
[download]

see Re^4: awanti Perl not playing video with vlc plugin

The Proc::Background looks interesting, and that's good advice, regarding the "shell interpolation". In my humble defense; I'm just trying to push some parts together that'll accomplish the task. I'll safely arrange everything, when I've finally found all the necessary parts. Advice well taken, and appreciated. :)

--Chris