recode

#!/bin/bash
inputfile=$1
outfile=$2
temp1=$$.wav
exitcode=0

if [ ${inputfile: -4} == ".mp3" ]
then
  lame -S --decode $inputfile $temp1
else
  temp1=$inputfile
fi

sox -q $temp1 $temp1 -n trim 0 00:05 silence 1 5 2%
if [ $? -eq 0 ]
then
  exitcode=1
fi

lame -S --resample 11.025 -b 8 -a $temp1 $outfile
if [ $? -eq 0 ]
then
  exitcode=1
fi

if [ -f $inputfile ]
then
  rm $inputfile
fi

if [ -f $temp1 ]
then
  rm $temp1
fi

exit $exitcode