#!/bin/sh
#############################
## Executes a command file and writes a blank one in its place.
## Usage: xmms-songchange [CURRENT-SONG]
## 
## Run this with xmms in Properties, Effect/General Plugins, song_change
## Set keybindings to run commands like:
##   echo 'xmms --stop' >>$HOME/.xmms/command
## (this will stop xmms after the current song finishes)
## 
## xmms-songchange 0.1, Copyright (c) 2003 by Adam Katz <scripts@khopis.com>, GPL
#############################

# help screen
[ "$@" = "--help" ] && \
  grep '^## ' `which $0 2>/dev/null || echo $0` |sed 's/^...//' && exit 0

cmdfile="$HOME/.xmms/command"
cp -p "$cmdfile" "${cmdfile}-prev"
# run script
[ -x "$cmdfile" ] && "$cmdfile" || echo 'problem running script' >&2

# erase script and place the following information there instead:
echo "# now playing: $@
# `date`
####################################################################
# This is an auto-generated file and will be overwritten after use.
# The following will be run once the above song ends:
" >"$cmdfile"
# make executable if not already (only if we own the file)
[ -x "$cmdfile" ] || [ -O "$cmdfile" ] && chmod u+x "$cmdfile"