class Object
Public Instance Methods
acceptor(question)
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Public: Prints a question and waits for a yes-no answer.
question - An arbitrary string of your choise.
Returns true if the user answered yes, false otherwise.
# File lib/autobot/utils.rb, line 24 def acceptor(question) print "#{question} [YyNn]" answer = $stdin.gets.downcase.strip answer == "y" end
which(cmd)
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Public: Retrieve the location of an executable (mimics ‘which` behaviour) Ref.: stackoverflow.com/a/5471032
cmd - The command name to check
Returns the path of an executable if it is found, nil otherwise.
# File lib/autobot/utils.rb, line 7 def which(cmd) exts = ENV['PATHEXT'] ? ENV['PATHEXT'].split(';') : [''] ENV['PATH'].split(File::PATH_SEPARATOR).each do |path| exts.each { |ext| exe = File.join(path, "#{cmd}#{ext}") return exe if File.executable? exe } end return nil end