From: Xavier Noria <fxn@...>
Date: 2012-04-24T17:53:28+09:00
Subject: Re: gem-packed script with DATA section does not work

I you don't need the BEGIN block nor constants, I think you could just use some ordirary heredocs or some other conventional Ruby idiom.

Sent from my iPhone

On 24/04/2012, at 10:39, Wybo Dekker <wybo@xs4all.nl> wrote:

> On 2012-04-23 22:57, Peter Zotov wrote:
>> Ryan Davis писал 23.04.2012 22:58:
>>> On Apr 23, 2012, at 04:49 , Wybo Dekker wrote:
>>> 
>>>> That's clear, but does that mean there's no workaround?
>>>> Can Ruby not be told that the DATA section is somewhere else?
>>> 
>>> This is my ((slightly?) horrible) workaround:
>>> 
>>> data = File.read(__FILE__).split(/__END__/).last
>> 
>> This is better:
>> data = File.read(__FILE__).split(/__END__/, 2).last
> 
> That's great, thanks Peter, Ryan.
> But it needs a correction, because the script is now also split on the
> __END__ in the "data =..." line itself, so it needs a ^:
> 
> data = File.read(__FILE__).split(/^__END__/, 2).last
> 
> And Ryan's ,2 can be skipped if one wants more than one subsection in
> the DATA section. Here's my test script, including the idea of using it
> for erb templates:
> 
> #!/usr/bin/env ruby
> require 'optparse'
> require 'erb'
> 
> name = 'Unknown'
> OptionParser.new do |opt|
>    opt.on('-n','--name=STRING',String,
>               'set the name'
>          )  do |v| name = v end
> end.parse!
> data1,data2 = File.read(__FILE__).
>                   split(/^__END__/)[1..-1].
>                   map { |x| ERB.new(x).result(binding) }
> puts '',"data1: #{data1}", '',"data2: #{data2}"
> __END__
> Hello <%= name %>
> This is data 1, two lines.
> __END__
> This is data 2,
> 3 lines,
> including this one.
> 
> -- 
> Wybo
>