A 32 bit perl. 
C:\p517\perl>perl -v

This is perl 5, version 17, subversion 5 (v5.17.5 (v5.17.4-47-g432d456
+)) built for MSWin32-x86-multi-thread

[download]
A 64 bit perl. 
C:\Documents and Settings\Administrator\Desktop>perl -v

This is perl 5, version 14, subversion 2 (v5.14.2) built for MSWin32-x
+64-multi-thread

[download]
To get it in a script 
C:\p517\perl>perl -MConfig -e  "print $Config{archname}"
MSWin32-x86-multi-thread
C:\p517\perl>

[download]

In reply to Re: How to tell 32 or 64 bit by bulk88
in thread How to tell 32 or 64 bit by esr

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