From: "G.Durga Prasad" <gdprasad@...>
Date: 2008-10-18T18:15:30+09:00
Subject: Re: Shoes GUI - downloading site, using reg exs on body

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On Sat, Oct 18, 2008 at 5:03 AM, Double Minus <nathan.wisman@gmail.com>wrote:

> It is working - I guess I just don't understand how...
>
> It prints some numbers into the @results para.  I want to find and pull
> links out of the body text.  I was starting with a very basic search, to
> just try to have it pull out every line with "http" in it.
>
> (/^*http\/$/) doesn't work for my reg ex
>
> I get:
>
> rb:23: invalid regular expression; there's no previous pattern, to which
> '*' would define cardinality at 2: /^*http\/$/
>
> double
>
> And why: thank you for this amazing, fun learning tool.  It has been
> invaluable in figuring out what Ruby is all about.
> --
> Posted via http://www.ruby-forum.com/.
>
> I took this as an exercise and here is what I came up with:
Shoes.app do

stack :left => 65, :top => 75 do
@results = para "results"
end

stack :left => 165, :top => 180 do
para "URL:"
flow do
button "Clear" do
@status.replace "results cleared..." and
@searching.replace " " and
@results.replace "results"
end
@url = edit_line "http://www.google.com/"
button "OK" do

stack do
@searching = title "Searching site", :size => 16
@status = para "One moment..."
download @url.text do |site|
@searching.replace "Results"
@results.replace ""
content = site.response.body.inspect
array = content.split(/\"/).map{|e| e.chop }
@status.text = array.grep(/^http/).join("\n")
end
end
end
end
end
end

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