diff options
Diffstat (limited to 'lib/puppet/parser/functions/shell_join.rb')
-rw-r--r-- | lib/puppet/parser/functions/shell_join.rb | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/shell_join.rb b/lib/puppet/parser/functions/shell_join.rb new file mode 100644 index 0000000..05aeb95 --- /dev/null +++ b/lib/puppet/parser/functions/shell_join.rb @@ -0,0 +1,31 @@ +# +# 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 : |