Script to upload cs173 lecture videos (as seen on http://cs.brown.edu/courses/cs173/2012/Videos/) to YouTube.

youtube-account.pl

$USER = '[email protected]';
$PASS = 'abc123';

youtube.pl

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

use FindBin qw($RealBin);
use Getopt::Long qw(GetOptionsFromArray);

our $AUTHFILE = "$RealBin/private/youtube-account.pl";

our $CATEGORY = "Education";
our $TITLE_TEMPLATE = "Programming Languages - Lecture %s";


our ($USER, $PASS);
require $AUTHFILE;

my $no_act;

sub file_to_date {
    my ($file) = @_;
    # Format: YYYY-MM-DD.series-of-extensions
    if ($file =~ m{^(20\d\d-\d\d-\d\d)\.[\w.]+(?<![.])$}) {
        return $1;
    } else {
        die "Couldn't figure out date from filename '$file'\n";
    }
}

sub make_command {
    my ($file, $date) = @_;
    my $title = (sprintf $TITLE_TEMPLATE, $date);
    my @command = (
        "youtube-upload",
        "--email=$USER", "--password=-",
        "--category=$CATEGORY",
        "--title=$title",
        $file);
    \@command;
}

sub run {
    my ($cmd) = @_;
    print "Running command {@$cmd}\n";
    if ($no_act) {
        print "(Skipping; --no-act was specified.)\n";
        return;
    }
    my $kid_pid = (open my($to_kid), "|-", @$cmd)
        or die "fork+exec: $!\n";
    print {$to_kid} "$PASS\n"
        or die "child: write: $!\n";
    close $to_kid
        or die ($! ? "child: close: $!\n"
                   : "child: failed with wait status $?\n");
}

sub upload_file {
    my ($file) = @_;
    my $date = file_to_date($file);
    my $cmd = make_command($file, $date);
    run($cmd);
}

sub main {
    GetOptionsFromArray(\@_,
            'n|no-act' => \$no_act)
        and @_ == 1
        or die "Usage: (example)  $0 2012-09-14.high.m4v\n";
    my ($file) = @_;
    (-f $file)
        or die "$file: $!\n";
    upload_file($file);
}

main(@ARGV);