From: William Colls <william.colls@...>
Date: 2010-12-28T06:37:29+09:00
Subject: Where is the extar end keyword.

ruby 1.9.1p378 (2010-01-10 revision 26273) [x86_64-linux]
Kubuntu 10.04 64 Bit.

I know this is REALLY basic stuff, but has me stumped. The following is
an example from the Pick Axe book (Seventh printing Dec 2005):

require 'tk'
class PigBox
        def pig(word)
                leading_cap = word =~ /^[A-Z]/
                word.downcase!
                res = case word
                        when /^[aeiouy]/
                                word+"way"
                        when /^([aeiouy]+)(.*)/
                                $2+$1+"ay"
                        else
                                word
                        end  # else condition of case
                leading_cap ? res.capitalize : res
        end.   # method pig

        def show_pig
                @text.value = @text.value.split.collect{ |w| pig(w)
}.join(" ")
        end   # method show_pig

        def initialize
                ph = { 'padx' => 10, 'pady' => 10 }    # Common Options

                root = TkRoot.new { title "Pig" }
                top = TkFrame.new(root) { background "white" }

                TkLabel.new(top) { text 'Enter Text:' ; pack(ph) }

                @text = TkVariable.new
                TkEntry.new(top, 'textvariable' => @text).pack(ph)

                pig_b = TkButton.new(top) { text 'Pig It' ; pack ph }
                pig_b.command { show_pig }
                exit_b = TkButton.new(top) {text 'Exit'; pack ph}
                exit_b.command { exit }
                top.pack('fill' =>'both', 'side' =>'top' )
        end  # method initialize
end  # Class PigBox

PigBox.new
Tk.mainloop

When I run it, I get an error as follows:

Ex2.rb:38: syntax error, unexpected keyword_end, expecting $end
end  # Class PigBox

I Understand that the error message is telling me that I have an extra
end keyword. The interpretor expected the end of File. But I can't
determine which is extra "end". Comparing line by line with text in the
book, it appears identical. Downloading the source from the web site,
and it runs as expected, and again, line by line comparison seems to be
identical.

So what have I miss-typed?

Thanks for your time.

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