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# frozen_string_literal: true
require 'shellwords'
#
# shell_join.rb
#
module Puppet::Parser::Functions
newfunction(:shell_join, type: :rvalue, doc: <<-DOC
@summary
Builds a command line string from the given array of strings.
Each array item is escaped for Bourne shell. All items are then joined together, with a single space in between.
This function behaves the same as ruby's Shellwords.shelljoin() function
@return
a command line string
DOC
) do |arguments|
raise(Puppet::ParseError, "shell_join(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size != 1
array = arguments[0]
raise Puppet::ParseError, "First argument is not an Array: #{array.inspect}" unless array.is_a?(Array)
# explicit conversion to string is required for ruby 1.9
array = array.map(&:to_s)
result = Shellwords.shelljoin(array)
return result
end
end
# vim: set ts=2 sw=2 et :
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