#!/bin/bash

# One argument required
if [ $# -gt 1 ]; then
  echo "only one filename max (or blank for autonaming)
usage: record [output file]"
  exit
elif [ $# -ne 1 ]; then
  a=`date +"output_%Y%m%d_%H%M.mp3"`
fi

# filename cleanup

# if no .mp3, add .mp3
if [ "$1" != "`echo $1 | grep \.mp3$`" ]; then
  a=$a.mp3 
fi

# if file exists, add a 1 after .mp3
while [ "1" == "1" ]
do
  if [ -f "$1" ]; then
    a=`echo $a | sed -e 's/\(\.mp3\)/\.1\1/'`
  else
    break
  fi
done

# ready to write file
echo $a
#esdrec | lame -b 32 -m m -a - $a
#esdrec | lame -b 64 -m s -a - $a
esdrec | lame -b 64 -m m -a - $a