From: ara.t.howard@...
Date: 2006-08-03T07:10:34+09:00
Subject: Re: Can't convert String into Integer (TypeError)

On Thu, 3 Aug 2006, Timothy Hunter wrote:

> ara.t.howard@noaa.gov wrote:
>>   jib:~ > ruby -r RMagick -e'  p 
>> Magick::Image.instance_methods.grep(/raise/)  '
>>   ["raise"]
>> 
>> 
>> btw, seems like you could get away with something like:
>> 
>>   pct = Float(pct) rescue (Float(pct.to_s.delete('%'))/100)
>>   r = 0.0 .. 1.0
>>   pct = [r.min, pct].max
>>   pct = [r.max, pct].min
>> 
>> cheers.
>> 
>> -a
> Arg! I should spend more time coding in Ruby and less in C. Thanks, Ara!

yeah - i have the opposite issue ;-)

> "1%0%".delete('%') => "10". Might be a bit too tolerent, don't you think?

dunno.  you could do pct.sub(/%$/,'') too.  lately i've found that parameter
checking just comes back to haunt me - though i do it heavily in certain
situations.  just food for thought.

> I had the clamping down to 1 line but when I looked at it the next day I 
> couldn't tell if it was correct or not :-(

indeed - i tend even to avoid method chaining in production code for that
reason - it makes logs less than useful for pinpointng errors

cheers.

-a
-- 
we can never obtain peace in the outer world until we make peace with
ourselves.
- h.h. the 14th dali lama