#!/usr/bin/perl -T

use strict;
use warnings;

use Your::Module::To::Do::Csh_Like_Syntax_Source qw( csh_source );

my $cli_arg = shift or die "usage: $0 arg";
# Here be dragons
csh_source ($cli_arg);
# Let us assume you've managed to make this fill the
# appropriate %ENV entries

for (0 .. 5) {
    # Assuming [0] should be 0, just as 1 .. 5
    print qq{--$_---\n$ENV{"InPARAM$_"}\n$ENV{"InVAL$_"}\n};
    }
exit;