Assigning 3 variables to the same value - Undocumented

[Joe Caverly]

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation.  All rights reserved.

c:\utils>SET /A "_var1=_var2=_var3=10"
10
c:\utils>echo %_var1% %_var2% %_var3%
10 10 10

TCC  21.01.49 x64   Windows 7 [Version 6.1.7601]
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[c:\utils]SET /A "_var1=_var2=_var3=10"
TCC: Syntax error "_var2_var3=10"

 

[rconn]

Dreadful syntax; not surprising that Microsoft was so embarrassed that they refused to document it!

But it works in TCC 21.01.50.

 

[AnrDaemon]

Actually, this is a common feature for many interpreted languages, and some more traditional ones.

 

[rconn]

Actually, this is a common feature for many interpreted languages, and some more traditional ones.

Yes, and in those cases it's documented.