#!/bin/csh
###############################################################
# This program will encode all of the WAV files it finds in
# the named directory into MP3 files.  It deletes each WAV
# file once it has been converted.
#
# It returns 0 on success, nonzero on failure.
##############################################################

##############################################################
# Argument checking

# Make sure they passed in the name of a directory
set directory = $1
if (0 == `echo -n "$directory" | wc -c`) then
	echo "Usage: $0 directory_to_convert"
	exit 1
endif
# Make sure that the directory exists
if (-e "$directory") then
else
	echo "Error: directory $directory does not exist"
	exit 1
endif

##############################################################
# Find all of the WAV files under the directory and convert
# them one at a time, deleting the WAV file for each after
# it has been converted.  Do this at reduced priority so
# we don't interfere with other things going on too much.

foreach nextfile ( `find "$directory" -name \*.wav` )
	echo Converting $nextfile
	nice +10 lame --preset standard --quiet "$nextfile"
	if ( 0 == $status ) then
		rm $nextfile
	endif
end

##############################################################
# Done

exit 0