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require 'find'
module Find
def match(*paths)
matched = []
find(*paths) { |path| matched << path if yield path }
return matched
end
module_function :match
end
must_start_with = "This Ruby program"
Find.match('./') do |p|
if File.file? p
open(p) { |f| f.read(must_start_with.size) == must_start_with }
else
false
end
end
# => ["./rubyprog-0.1/README"]
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