my get_iplayer.cmd

@echo off

:Start
rem Push the current directory onto a temporary variable using the
rem pseudo-variable CD (requires command extensions to be enabled)
set _curr_dir=%CD%

rem get_iplayer is a Win32 app, if running on 64-bit Windows it
rem will have been installed in C:\Program Files (x86)\get_iplayer
rem and if running on 32-bit Windows it will have been installed
rem in C:\Program Files\get_iplayer

if "%ProgramFiles(x86)%"=="" goto ProgFiles

:x86pf
rem We're running on 64-bit Windows
rem Change drive and directories
C:
rem cd "\Program Files (x86)\get_iplayer"
cd /d "%ProgramFiles(x86)%\get_iplayer"
goto RunGetIPlayer


:ProgFiles
rem We're running on 32-bit Windows
rem Change drive and directories
C:
cd /d "%ProgramFiles%\get_iplayer"
goto RunGetIPlayer


:RunGetIPlayer
rem Run get_iplayer
perl.exe get_iplayer.pl %*

:Return
rem Pop the current directory back from a temporary variable
cd /d %_curr_dir%

rem Clear the temporary variable
set _curr_dir=

:End