From: sto.mar@...
Date: 2013-03-12T06:33:39+09:00
Subject: Re: Question regarding automating some Outlook/IMAP and pdf parsing functions w/ ruby?

Am 10.03.2013 22:59, schrieb Joel Pearson:
> unknown wrote in post #1100964:
>> Am 10.03.2013 19:26, schrieb sto.mar@web.de:
>>>> block.
>>>
>>> `rescue false' will rescue nearly all exceptions that might occur, which
>>> is a potentially dangerous thing. Better use a begin/rescue/end block.
>>
>> I did not follow the start of the thread, but probably even better
>> in this case would be to use `respond_to?' instead of relying on
>> exceptions.
>
> These are valid points, specific error trapping is good, and avoiding
> errors even better. Unfortunately I haven't been able to get
> "respond_to?" working with ole methods, so it'll have to be rescue.
>
> Can't do a single line rescue with a specific class...
>
> if (
> begin
> msg.Senderemailaddress =~ /@exampledomain.com$/i
> rescue NoMethodError
> false
> end
> ) &&

I would rather turn this around:

begin
   sender = msg.Senderemailaddress
rescue NoMethodError
   # whatever
else
   if sender =~ ...
   ...
end


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