[LRUG] Newbie-advice for Rio?

[Tom Armitage]

As usual, just after I post to the list, I solve the problem (though I used
eachfile.read.gsub[...], which had similar effects).

Thanks, Tom.

t.

Quoting Tom Ward <tom at popdog.net>:

> rio('dummy').all.files.skip(/^\./).do |eachfile|
>  eachfile < eachfile.contents.gsub("something", "something else")
> end
>
> Tom
>
> On 3/17/06, Tom Armitage <tom at infovore.org> wrote:
>> So I've been hunting through Google for some advice on this and had 
>> no avail,
>> and I'm sure somebody here must have used Rio.
>>
>> In a nutshell: I'm trying to iterate through a directory called 
>> "dummy" and all
>> subdirectories, replacing instances of the string "#foo#" with 
>> "bar". Writing
>> this in Ruby, it seemed that Rio was the best way to go.
>>
>> So far, I've got this :
>>
>> rio('dummy').all.files.skip(/^\./).do |eachfile|
>>   # blah
>> end
>>
>> which works OK - iterates through all files in directory and 
>> recursively through
>> subdirectories, and leaves out the dot-files like .DS_Store.
>>
>> Fine.
>>
>> However, I'm having no luck getting gsub to work on eachfile. What's 
>> the next
>> part of the operation? What am I doing wrong?
>>
>> I tried (in place of "# blah~ above)
>>
>> eachfile < eachfile.gsub('#foo#', 'bar')
>>
>> but that essentially just emptied each file in turn. Do I need to be 
>> creating
>> copies of each file and deleting the original, or have I missed a trick?
>>
>> Also, I tried appending the altered file to the end of the original 
>> (using << )
>> and found it didn't perform any gsub - which is also weird. Any idea 
>> what might
>> be calling that?
>>
>> Apologies if this isn't appropriate for the list, but I thought it'd 
>> be easier
>> to turn here than to ruby-talk or comp.lang.ruby
>>
>> Also, apologies if it's really bloody obvious. But any help would be greatly
>> appreciated.
>>
>> t.
>>
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