script to switch between multiple iTunes Libraries

switchITunes.sh

#!/bin/sh
TEST=$(ps -x |grep "/iTunes " |grep -v grep |wc -l)
if [[ $TEST -ne 0 ]] 
  then 
   echo "iTunes is running. Please quit iTunes first"
   exit
 fi
LIB="`ls -l ~/Music | grep -i '\->.*Music/iTunes' | sed 's/^.*iTunes-//g'`"
if [ "$LIB" == "internal" ]
  then
	rm ~/Music/iTunes
	ln -s ~/Music/iTunes-external ~/Music/iTunes
	echo "External lib is being used"
  else
	rm ~/Music/iTunes
	ln -s ~/Music/iTunes-internal ~/Music/iTunes
	echo "Internal lib is being used"
fi

# to do shell script "ps -x |grep '/iTunes ' | grep -v grep |wc -l"


# tell application "System Events"
# 	set runs to count (every process whose name is "iTunes")
# end tell
# 
# set lib to do shell script "ls -l ~/Music | grep -i '\\->.*Music/iTunes' | sed 's/^.*iTunes-//g'"
# 
# set question to display dialog "iTunes is using '" & lib & "'. Switch to:" buttons {"external", "internal", "swing"} default button lib with icon 2 with title "Choose witch Library to use"
# set new_lib to button returned of question
# 
# if new_lib is equal to lib then
# 	return
# end if
# 
# if runs is equal to 1 then
# 	tell application "iTunes"
# 		quit
# 		delay 5
# 	end tell
# end if
# 
# do shell script "rm ~/Music/iTunes"
# do shell script "ln -s ~/Music/iTunes-" & new_lib & " ~/Music/iTunes"
# 
# tell application "iTunes"
# 	activate
# end tell