#!/usr/bin/perl
use 5.9.5;
use strict;
use warnings;
use Module::Load::Conditional 'can_load';

BEGIN {
    my $modules = { map {$_ => undef} qw/
    IPC::Cmd
    Time::HiRes
    /};

    die "Please install required perl modules: \n".
    join ' ', 'cpan',     keys(%$modules),    "\n".
    join ' ', 'cpanm -v', keys(%$modules),    "\n"
    unless can_load(modules=>$modules, autoload=>1);

    IPC::Cmd->import ('QUOTE');
    Time::HiRes->import ('time');
}

print join '',
IPC::Cmd::QUOTE(),
Time::HiRes::time(),
IPC::Cmd::QUOTE(),"\n";

print join '', QUOTE(), time(), QUOTE(), "\n";