added option to get the available formats for a video (Closes #106)

diff --git a/youtube-dl b/youtube-dl
index 2fc88b0..d01b259 100755 (executable)
--- a/youtube-dl
+++ b/youtube-dl
@@ -710,6 +710,8 @@ class FileDownloader(object):
                        print info_dict['description'].encode(preferredencoding(), 'xmlcharrefreplace')
                if self.params.get('forcefilename', False) and filename is not None:
                        print filename.encode(preferredencoding(), 'xmlcharrefreplace')
+               if self.params.get('forceformat', False):
+                       print info_dict['format'].encode(preferredencoding(), 'xmlcharrefreplace')
 
                # Do nothing else if in simulate mode
                if self.params.get('simulate', False):
@@ -3527,6 +3529,9 @@ def parseOpts():
        verbosity.add_option('--get-filename',
                        action='store_true', dest='getfilename',
                        help='simulate, quiet but print output filename', default=False)
+       verbosity.add_option('--get-format',
+                       action='store_true', dest='getformat',
+                       help='simulate, quiet but print output format', default=False)
        verbosity.add_option('--no-progress',
                        action='store_true', dest='noprogress', help='do not print progress bar', default=False)
        verbosity.add_option('--console-title',
@@ -3705,14 +3710,15 @@ def main():
                'usenetrc': opts.usenetrc,
                'username': opts.username,
                'password': opts.password,
-               'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename),
+               'quiet': (opts.quiet or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
                'forceurl': opts.geturl,
                'forcetitle': opts.gettitle,
                'forcethumbnail': opts.getthumbnail,
                'forcedescription': opts.getdescription,
                'forcefilename': opts.getfilename,
+               'forceformat': opts.getformat,
                'simulate': opts.simulate,
-               'skip_download': (opts.skip_download or opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename),
+               'skip_download': (opts.skip_download or opts.simulate or opts.geturl or opts.gettitle or opts.getthumbnail or opts.getdescription or opts.getfilename or opts.getformat),
                'format': opts.format,
                'format_limit': opts.format_limit,
                'outtmpl': ((opts.outtmpl is not None and opts.outtmpl.decode(preferredencoding()))