A drop-in replacement for statusd_mpd.lua which uses sockets instead of popen to communicate with mpd. Suggest renaming to replace the other script.
Requires LuaSocket (http://www.tecgraf.puc-rio.br/~diego/professional/luasocket/home.html) I've been having difficulty with the existing statusd_mpd. In particular, the existing script frequently but fairly randomly causes the statusbar to fail to load, necessitating multiple restarts of ion3 before it behaves properly. This replacement sets a short timer at startup and exits quickly, which seems to help with the problem I was experiencing: if it's slow to open a connection to mpd, it will not bring down the entire statusbar. It also follows Tuomo's suggestion of using sockets rather than running a program with popen every half-second. This should be less overhead for the system. It does tie up one of your mpd connections permanently, however, so you may need to make sure max_connections is high enough to support it. If you're running out of connections, though, it's more likely that you have a whole bunch of redundant ion-statusd processes hanging out doing nothing. I've also added %artist_or_album, which I use so tracks from Broadway shows are displayed reasonably in my collection. There might be a better way to do this, but I haven't come up with anything I like. Comments welcome, particularly if there are any situations in which it can get hung up holding an open socket of which I'm unaware.
statusd_mpd-socket.lua
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