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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46762 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
21 lines
549 B
Ruby
21 lines
549 B
Ruby
require "rbconfig"
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module EnvUtil
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def find_executable(cmd, *args)
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exts = RbConfig::CONFIG["EXECUTABLE_EXTS"].split | [RbConfig::CONFIG["EXEEXT"]]
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ENV["PATH"].split(File::PATH_SEPARATOR).each do |path|
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next if path.empty?
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path = File.join(path, cmd)
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exts.each do |ext|
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cmdline = [path + ext, *args]
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begin
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return cmdline if yield(IO.popen(cmdline, "r", err: [:child, :out], &:read))
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rescue
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next
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end
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end
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end
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nil
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end
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module_function :find_executable
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end
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