From 5fd661b50ea60f32e73249d14b0c118dc1ac5dc6 Mon Sep 17 00:00:00 2001 From: wm4 Date: Mon, 17 Feb 2014 00:19:30 +0100 Subject: lua: allow giving fallback values in get_property() calls E.g. ``mp.get_property("foo", "value")`` will return ``value`` if the property can't be read. --- DOCS/man/en/lua.rst | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) (limited to 'DOCS/man') diff --git a/DOCS/man/en/lua.rst b/DOCS/man/en/lua.rst index 54b05d9ea5..046f2fe3ff 100644 --- a/DOCS/man/en/lua.rst +++ b/DOCS/man/en/lua.rst @@ -63,22 +63,24 @@ The ``mp`` module is preloaded, although it can be loaded manually with These two commands are equivalent, except that the first version breaks if the filename contains spaces or certain special characters. -``mp.get_property(name)`` +``mp.get_property(name [,def])`` Return the value of the given property as string. These are the same properties as used in input.conf. See `Properties`_ for a list of properties. The returned string is formatted similar to ``${=name}`` (see `Property Expansion`_). - Returns the string on success, or ``nil, error`` on error. + Returns the string on success, or ``def, error`` on error. ``def`` is the + second parameter provided to the function, and is nil if it's missing. -``mp.get_property_osd(name)`` +``mp.get_property_osd(name [,def])`` Similar to ``mp.get_property``, but return the property value formatted for OSD. This is the same string as printed with ``${name}`` when used in input.conf. - Returns the string on success, or ``"", error`` on error. - Unlike ``get_property()``, assigning the return value to a variable will - always result in a string. + Returns the string on success, or ``def, error`` on error. ``def`` is the + second parameter provided to the function, and is an empty string if it's + missing. Unlike ``get_property()``, assigning the return value to a variable + will always result in a string. ``mp.set_property(name, value)`` Set the given property to the given value. See ``mp.get_property`` and -- cgit v1.2.3