From: Yu Yu <htwoo@...>
Date: 2011-08-20T07:11:46+09:00
Subject: Re: Searching in a directory

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.

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