From: Eero Saynatkari <eero.saynatkari@...>
Date: 2006-09-13T09:35:41+09:00
Subject: Re: word substitution in file

Xan Xann wrote:
> Eero Saynatkari wrote:
>> # Untested too
>> require 'fileutils'
>> 
>> def FileUtils.s(source, dest, subs = {})
>>   data = File.read source
>>   search = /#{subs.keys.map {|k| Regexp.escape k}.join '|'}/
>>   result = data.gsub(search) {|found| subs[found]}
>>   File.open(dest, 'w') {|f| f.write result} if $&  # Regex matched
>> end
>> 
>> FileUtils.s 'src.txt', 'dest.txt', 'foo' => 'bar'
> 
> 
> This WORKS!!!! finally
> 
> 
> Thank you very much
> It seems it supports regexp expressions. Is it true?

It just substitutes strings with their counterparts
given as the Hash. Regular expression support would
be a bit more involved.


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