Set variable different values depending on IF ELSE condition in batch file

Question

My goal is to set %PF% variable to C:\ProgramFiles(x86)\MSBuild\ on x64 machines and to C:\ProgramFiles\MSBuild\ on x86 machines. I can easily achieve that such way

IF DEFINED ProgramFiles(x86) SET PF=%ProgramFiles(x86)%\MSBuild\
IF NOT DEFINED ProgramFiles(x86) SET PF=%ProgramFiles%\MSBuild\

But I want to do that in a single IF ELSE statement.

That one

IF DEFINED ProgramFiles(x86) (SET PF=%ProgramFiles(x86)%\MSBuild\) ELSE (SET PF=%ProgramFiles%\MSBuild\)

fails with unexpected "\MSBuild\" error.

That one

IF DEFINED ProgramFiles(x86) (SET PF="%ProgramFiles(x86)%\MSBuild\") ELSE (SET "PF=%ProgramFiles%\MSBuild\")

runs without errors.

But the result value is not what I need ("%ProgramFiles(x86)%\MSBuild\" - instead of "C:\ProgramFiles(x86)\MSBuild\" on x64 machine for example).

So is that possibe?

Currently you can solve your problem with the answer of Stephan, but when you embedd your code into a code block you should also read SO: What syntax will check if a variable name containing spaces is defined?, as you will get problems with the closing bracket in if defined ProgramFiles(x86) — jeb
– jeb, Commented Aug 11, 2015 at 9:07

Stephan · Accepted Answer · 2015-08-11 07:37:07Z

2

use this syntax:

SET "PF=%ProgramFiles(x86)%\MSBuild\"

Note the position of the quotes.

answered Aug 11, 2015 at 7:37

Stephan

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