From: Robert Klemme <shortcutter@...>
Date: 2008-07-06T02:31:38+09:00
Subject: Re: Don't understand NoMethodError

On 05.07.2008 19:24, Michael Lommel wrote:
> Here is the code so far:
> 
> <code>
> require 'rubygems'
> require 'fastercsv'
> require 'highline/import'
> 
> 
> def ukquotes(the_string)
>   #RTF specific: converting double to single quotes
>   the_string.gsub! /\\'d2(.*)\\'d3/m, "\\'d4$1\\'d5"
>   the_string.gsub! /(\W)'/, "$1\\'d4"
>   the_string.gsub! /'(\W)/, "\\'d5$1"
>   the_string.gsub! /(\W)d"/, "$1\\'d4"
>   the_string.gsub! /"(\W)/, "\\'d5$1"
>   the_string.gsub! /(\w)'(\w)/, "$1\\'d5$2"
> end
> 
> def ukspell(the_string)
>   #Converting US to UK spelling
>   csvdata=File.open("UK-US_spellingdiff.csv", "r")
>   FasterCSV.parse(csvdata) do |row|
>     usword, ukword = *row
>     the_string.gsub! /\b#{usword}\b/, '\b#{ukword}\b'
>   end
> end
> 
> unless File.exists?("UK-US_spellingdiff.csv")
>    raise "CSV file does not exist"
>    break
> end
> 
> if agree("You are about to perform this edit list on #{Dir.pwd}.
> Proceed?", true)
>   directory =  ask("Name of directory to write edited files to? ",
> lambda{|q| q.gsub /\W/, '_'})
> else
>   break
> end
> 
> unless agree("Will write to:#{Dir.pwd}/#{directory}. Proceed?", true)
>    break
> end
> 
> 
> Dir.mkdir("#{Dir.pwd}/#{directory}")
> 
> Dir.glob("*.rtf").each do |filename|
>     newfile = File.open(filename, "r"){|f| f.read}.ukquotes.ukspell

^^^ error line

>     newfilename = "CT_CW_"+ filename
>     File.open(directory/newfilename, "w"){|n| puts(newfile)}
>   end
> </code>
> 
> Produces this error message:
> 
> <code>
> cw-replace.rb:44: private method `ukquotes' called for
> #<String:0x7755d8> (NoMethodError)
>         from cw-replace.rb:43:in `each'
> </code>

You're defining #ukquotes in main (like a global function) but you use
it as an instance method.  Either place it in class String or call it
like a function.

Cheers

	robert