From: Jacob Davis <ismyhc@...>
Date: 2010-05-11T23:27:11+09:00
Subject: Re: Problem renaming files

Jes炭s Gabriel y Gal叩n wrote:
> On Tue, May 11, 2010 at 5:10 AM, Jacob Davis <ismyhc@gmail.com> wrote:
>> I want to rename mulitple files, removing the build number, and
>> Below is the code.. I run the file as:
>> (Errno::ENOENT)
>> # Have user input build number to be removed
>>
>> puts "done!"
> 
> There are two problems here. The first one is that
> file_names[build_number] = version will return the right hand side
> expression, not the new value of the string, so you will be passing a
> "5" to the rename method, not "engine.5". The second is that by
> calling []= on file_names you are changing the object referenced by
> file_names, not making a new one, so you are passing "engine.5" as the
> first argument to rename. Try this instead:
> 
> 
> # Rename file replacing build number with version number
> new_name = file_names.dup
> new_name[build_number] = version_number
> File.rename(file_names, new_name)
> 
> Also, when you change things to receive multiple file names as
> arguments to your script, you should probably change this line:
> 
> file_names = ARGV.dup.to_s
> 
> because that will join all the file names into a single string, which
> is not what you want, I think.
> 
> Jesus.

Awesome! Yeap that worked! I see where I was making the mistakes last 
night. I guess its good to step away from it for a bit everyonce in a 
while.

So, I should remove the .to_s so that it will populate the multiple 
names into an array correct?


Thanks!!!!
Jacob
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