Do not use the -w switch then,

No warnings work just as well with -w:

C:\test>perl -wE"my $x; say $x; { no warnings 'uninitialized'; say $x 
+}"
Use of uninitialized value $x in say at -e line 1.

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Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
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In reply to Re^4: Want END block to run except when usage()/--help invocation by BrowserUk
in thread Want END block to run except when usage()/--help invocation by CoVAX

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