Re: warning handling in Perl scripts - Mailing list pgsql-hackers

From David E. Wheeler
Subject Re: warning handling in Perl scripts
Date
Msg-id 21E79B35-2B46-4C92-9269-2971FB84F5FD@justatheory.com
Whole thread Raw
In response to Re: warning handling in Perl scripts  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: warning handling in Perl scripts  (Alvaro Herrera <alvherre@commandprompt.com>)
List pgsql-hackers
On Jun 25, 2012, at 3:35 PM, Tom Lane wrote:

> +1 for the concept of turning warnings into errors, but is that really
> the cleanest, most idiomatic way to do so in Perl?  Sheesh.

It’s the most backward-compatible, but the most idiomatic way to do it lexically is:
   use warnings 'FATAL';

However, that works only for the current lexical scope. If there are warnings in the code you are calling from the
currentscope, the use of `local $SIG{__WARN__}` is required. 

HTH,

David



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