fuel-plugin-dynatrace/deployment_scripts/puppet/modules/puppetlabs-stdlib/lib/puppet/parser/functions/shell_join.rb

32 lines
890 B
Ruby

#
# shell_join.rb
#
require 'shellwords'
module Puppet::Parser::Functions
newfunction(:shell_join, :type => :rvalue, :doc => <<-EOS
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
EOS
) 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 { |item| item.to_s }
result = Shellwords.shelljoin(array)
return result
end
end
# vim: set ts=2 sw=2 et :