MAKEMSI quickly and reliably creates MSI files in a non-programmatic way
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Have your say! Join the MAKEMSI discussion list or view archive! Suggest improvements. No question too simple or too complex.
\->Tips and Tricks->Batch Files->Batch File Tips and Tricks->Subroutines (common code)

Subroutines (common code)

The following is a common way of having some common code (parameters are passed as environment variables): 

...
set ReturnAddress=Return1
goto SomeSubroutine
:Return1
set ReturnAddress=Return2
goto SomeSubroutine
:Return2
...
goto :EOF

::::::::::::::::::::::::::
:SomeSubroutine
::::::::::::::::::::::::::
    echo *** In Subroutine ***
    goto %ReturnAddress%

A newer method to do the same thing is: 

...
call :SomeSubroutine
call :SomeSubroutine
...
goto :EOF

::::::::::::::::::::::::::
:SomeSubroutine
::::::::::::::::::::::::::
    echo *** In Subroutine ***
    goto :EOF

Note that you may wish to read/write to an environment variable you have the name for, if so have a look at the Indirect Access to Environment Variables (by reference) tip.

Microsoft awarded me an MVP (Most Valuable Professional award) in 2004, 2005, 2006, 2007, 2008 & 2009 for the Windows SDK (Windows Installer) area.Please email me any feedback, additional information or corrections.
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Monday March 08 2010 at 12:20pm
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Microsoft awarded me an MVP (Most Valuable Professional award) in 2004, 2005, 2006, 2007, 2008 & 2009 for the Windows SDK (Windows Installer) area.