#!/bin/bash

# Test command line arguments

if [ $# != 1 ]; then
        echo "usage: $0 [filename.wav]"
        exit 1
fi

INFILE=$1

# Test file existence

if [ ! -f "$INFILE" ]; then
        echo "$INFILE does not exist... skipping"
        exit 1
fi

# Check to see if file has a .wav extension

if [ ! -f "`dirname $INFILE`/`basename $INFILE .wav`.wav" ]; then
        echo "$INFILE is not a .wav file... skipping"
        exit 1
fi

# Check to see if file is in use

fuser "$INFILE"
RETVAL=$?

if [ $RETVAL = 0 ]; then
        echo "$INFILE is in use... skipping"
        exit 1
fi

OUTDIR="`dirname $INFILE`"
OUTFILE="`basename $INFILE .wav`.mp3"

echo
echo
echo $INFILE -> $OUTDIR/$OUTFILE
echo
echo

nice -n 19 lame -b 16 "$INFILE" "$OUTDIR/$OUTFILE"

if [ -f "$OUTDIR/$OUTFILE" ]; then
        rm -f "$INFILE"
else
        echo
        echo
        echo Conversion failed!!!
        echo
        echo
        exit 1
fi