initial commit to new repo

1 files changed, 26 insertions, 0 deletions

diff --git a/mpc_update b/mpc_update
new file mode 100755
index 0000000..53adf2b
--- /dev/null
+++ b/mpc_update
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+#!/bin/sh
+
+# mpc_update: Update an mpd playlist to include new songs in the music
+# directory.
+
+yell() { echo "$0: $*" >&2; }
+die()  { yell "$*"; exit 111; }
+try()  { "$@" || die "cannot $*"; }
+
+[ "$#" -ne 2 ] && echo "usage: mpc_update <playlist> <music directory>" >&2
+
+PLAYLIST="$1"
+MUSIC_DIR="$2"
+
+[ -d "$MUSIC_DIR" ] && cd "$MUSIC_DIR" ||
+  die "music directory '$MUSIC_DIR' does not exist!"
+
+# Clear the current playlist to prevent song duplication in mpd.
+[ -e "$HOME/.local/share/mpd/playlists/${PLAYLIST}.m3u" ] &&
+  try mpc clear >/dev/null &&
+  try mpc rm "$PLAYLIST"
+
+# Add every song in the music directory.
+try mpc add -- *
+
+try mpc save "$PLAYLIST"