module Asciidoctor::Diagram::Which
Public Class Methods
which(cmd, options = {})
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@private
# File lib/asciidoctor-diagram/util/which.rb, line 5 def self.which(cmd, options = {}) exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : [''] paths = (options[:path] || []) + (ENV['PATH'] ? ENV['PATH'].split(File::PATH_SEPARATOR) : []) paths.each do |path| exts.each { |ext| exe = File.join(path, "#{cmd}#{ext}") return exe if File.executable? exe } end nil end