#!/bin/bash
# This script calls mplayer to play VCDs in their respective audio channels

if [[ $2 = l || $2 = left ]]; then      # Left channel
  mplayer vcd://$1 -af channels=1;
elif [[ $2 = r || $2 = right ]]; then   # Right channel
  mplayer vcd://$1 -af channels=2:2:1:0:1:1;
else                                    # wtf are you talking about???
  echo "Usage $0 [Track #] [l|r]"
fi