#!/usr/bin/env perl

# Stupid script to strip trash formatted filenames

use strict;
use warnings;

my @inputs = @ARGV;

sub strip_filename($) {

	my $filename = shift;
	my @chars = split("",$filename);
	my $new_filename;
	open(my $fh, ">>", \$new_filename) or die "Couldn't open new_filename var\n";
	foreach my $char ( @chars ) {
		if ( $char =~ m/\s/ ) {
			next;
		} elsif ( $char =~ m/\(|\)|\\|\'|\$|\!|,|\[|\]/ ) {
			next;
		} else {
			print $fh $char;
		}
	}
	close $fh;
	return $new_filename;
}

sub construct_mv_fn($) {

	my $filename = shift;
	my @chars = split("",$filename);
	my $new_filename;
	open(my $fh, ">>", \$new_filename) or die "Couldn't open new_filename var\n";
	foreach my $char ( @chars ) {
		if ( $char eq " " ) {
			print $fh "\\$char";
		} else {
			print $fh $char;
		}
	}
	close $fh;
	return $new_filename;

}

sub rename_file($$) {

	my ( $old_filename, $new_filename ) = @_;
	my $mv_filename = construct_mv_fn($old_filename);
	my $cmd = "mv '$mv_filename' $new_filename";
	print "$cmd\n";
	#system("$cmd");

}

foreach my $input ( @inputs ) {
	if ( ! -f $input ) {
		print "File at path $input doesn't look like a file\n";
		exit 1;
	}
	print "$input\n";
	my $new_filename = strip_filename($input);
	print "$new_filename\n";
	rename_file($input,$new_filename);
}