#!/usr/bin/perl

use strict;
use warnings;

if(@ARGV < 3) {
    print <<"END";
Usage: $0 [options] srcdir destdir file1 [file2 [file3 [...]]]
    Hard links given files in destdir to originals in srcdir.
      Options:
        -s    Use soft links
        -v    Verbose--list each file as it's linked
END
    exit;
}

my %opts;

$opts{pop @ARGV}=1 while $ARGV[0] =~ /^-/;

my($srcdir, $destdir, @files)=@ARGV;

for(@files) {
    do_link("$srcdir/$_", "$destdir/$_") or die "Can't link $srcdir/$_ to $destdir/$_: $!";
    print "$srcdir/$_ -> $destdir/$_\n" if $opts{-v};
}

sub do_link {
    if($opts{-s}) {
        return symlink($_[0], $_[1]);
    }
    else {
        return link($_[0], $_[1]);
    }
}