From: Joel VanderWerf <vjoel@...>
Date: 2009-02-04T03:07:30+09:00
Subject: Re: File.delete one-liner

David Stanford wrote:
> Hi guys,
> 
> I'm looking for a single line that essentially deletes the lockfile
> argument passed to the unlock method, or deletes the instance variable
> (default) lockfile. Like this, but simpler:
> 
> @lockfile = some_other_lockfile
> 
> def self.unlock(lockfile)
>   if File.exist?(lockfile)
>     File.delete(lockfile)
>   else
>     File.delete(@lockfile)
>   end
> end
> 
> 
> I was thinking of something along the following:
> 
> @lockfile = some_other_lockfile
> 
> def self.unlock
>   File.delete(lockfile) || File.delete(@lockfile)
> end
> 
> ...however, the File.delete method doesn't return a true/false value
> based on its success.
> 
> Any tips? Thanks in advance!
> 
> -David

Use exceptions?

begin
   File.delete(lf)
rescue Errno::ENOENT
   File.delete(@lf)
end


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       vjoel : Joel VanderWerf : path berkeley edu : 510 665 3407