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module PlatformExtensionHelpers
def binary_extension(platform = RUBY_PLATFORM)
case platform
when /darwin/
'bundle'
when /mingw|mswin|linux/
'so'
when /java/
'jar'
else
RbConfig::CONFIG['DLEXT']
end
end
def search_path(binaries)
paths = ENV['PATH'].split(File::PATH_SEPARATOR)
binary = binaries.find do |bin_file|
paths.find do |path|
bin = File.join(path, bin_file)
File.exist?(bin) && File.executable?(bin)
end
end
binary
end
end
World(PlatformExtensionHelpers)
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