As others have said, there must be something else wrong with your script - -w will not cause your script to not run. Here's what 
   perldoc perlrun

[download]
says about the -w switch: 
       -w   prints warnings about dubious constructs, such as variable
+ names
            that are mentioned only once and scalar variables that are
+ used
            before being set, redefined subroutines, references to und
+efined
            filehandles or filehandles opened read-only that you are a
+ttempt-
            ing to write on, values used as a number that doesn’t look
+ like
            numbers, using an array as though it were a scalar, if you
+r sub-
            routines recurse more than 100 deep, and innumerable other
+ things.

[download]
IMHO, you should always use the "-w" switch - I do :-)

HTH.

In reply to Re: Why do I need -w in a cgi script by hmerrill
in thread Why do I need -w in a cgi script by Anonymous Monk

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