[Bug 21174] New: cmd does not support /a arithmetic expression evaluation

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=21174

           Summary: cmd does not support /a arithmetic expression
                    evaluation
           Product: Wine
           Version: 1.1.35
          Platform: x86
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: programs
        AssignedTo: wine-bugs at winehq.org
        ReportedBy: dank at kegel.com


http://source.winehq.org/git/wine.git/?a=blob;f=programs/cmd/builtins.c;#l2076
shows that set currently does't implement the /a switch.
Quite a few batch files depend on it.

Here are a few pages with info about it:
http://blogs.msdn.com/oldnewthing/archive/2006/05/04/589884.aspx
http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/set.mspx
http://stackoverflow.com/questions/980718/cmd-for-loop-does-not-hold-set-a-value

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