From: Chris White <cwprogram@...>
Date: 2011-08-20T07:16:08+09:00
Subject: Re: Searching in a directory


On Aug 19, 2011, at 3:11 PM, Yu Yu wrote:

> Chris White wrote in post #1017580:
>> On Aug 19, 2011, at 1:51 PM, Yu Yu wrote:
>> dir_path = './test_files'
>> str = "dog"
>> 
>> Dir.chdir(dir_path) do
>> 
>> Dir.glob("*.txt").inject(false) do |found, filename|
>>   IO.foreach(filename) do |line|
>>     if line =~ /#{str}/
>>       puts "#{filename}: #{str}"
>>       if found == true
>>        puts "Second instance found"
>>        exit # or however you want to handle this
>>       else
>>        found = true
>>       end
>>     end
>>   end
>>   found
>> end
>> 
>> end
>> 
>> This exits as soon as the second match is found, but you could have it
>> run a method or something like that instead.
> 
> Sorry, but there's still a problem with the code.
> If I put a method instead of exit nothing happens. If I put a method 
> into the else-branch I only call the method if the string is double.
> 
> Remember: If the string dog is found in file2 the search should stop / 
> call a method.

Unfortunately without seeing what you have so far there's no way for me to pinpoint the issue.

Regards,
Chris White
http://www.twitter.com/cwgem