XLaunch is a command-line utility that uses a single executable to launch.
programs based on 32 bit or 64 bit OS Platforms.
This utility was written to allow similar applications from different
platforms to be executed from one shortcut. In a Citrix environment that
utilizes Published Applications across different OS Architectures, this
program allows the use of a single published application to launch OS
Architecture specific programs that are similar in application.

Usage:
XLaunch [32 Bit Application] [64 Bit Application] [/?]

  [32 Bit Application] -  Path to the 32 bit Application executable.
  [64 Bit Application] -  Path to the 64 bit Application executable.
  /?                   -  Show this help file

XLaunch without parameters will display this help file

E.G. XLaunch "c:\Program Files X86\Office11\EXCEL.EXE" "c:\Program Files X64\Office12\EXCEL.EXE "

This command will launch the 32 bit version of Excel if running on an x86
OS or the 64 bit version of Excel if running on x64.

E.G. XLaunch c:\Myprogs\My32BitApp.exe c:\Myprogs\My64BitApp.exe

This command will launch My32BitApp.exe if running on an x86 OS or 
My64BitApp.exe if running on x64.

E.G. XLaunch "c:\Program Files X86\Office11\EXCEL.EXE H:\MySheet.xls" "c:\Program Files X64\Office12\EXCEL.EXE H:\MySheet.xls"

This command will launch the 32 bit version of Excel if running on an x86
OS or the 64 bit version of Excel if running on x64. It will also open the 
spreadsheet H:\Mysheet in both instances.

This utility is FREEWARE and was written by Warren Simondson of
Ctrl-Alt-Del IT Consultancy, Australia. www.ctrl-alt-del.com.au

Although written for Terminal Server and Citrix environments, this application
will function on non-TS/Citrix workstations and servers.
This application has been tested on the following platforms:

Windows 2008 Server
Windows 2003 Server SP1
Windows 2003 Server SP1 w/ Citrix PS 4.0/ XA 5.0
Windows 2003  Server SP1 (Terminal Server Application Mode)
Windows XP Professional (domain member)
Windows Vista (domain member)

The freeware version is offered AS IS. Ctrl-Alt-Del IT Consultancy has made
every effort possible to ensure that XLaunch is free of any bugs or errors,
however in no way is XLaunch to be considered error or bug free.
You assume all responsibility for any damages or lost data that may result
from any errors or bugs in XLaunch.

IN NO EVENT WILL Ctrl-Alt-Del IT Consultancy BE LIABLE TO YOU FOR ANY GENERAL,
SPECIAL, INDIRECT, CONSEQUENTIAL, INCIDENTAL OR OTHER DAMAGES ARISING OUT OF 
THIS PRODUCT.