diff options
Diffstat (limited to 'code/environments/production/modules/stdlib/lib/puppet/parser/functions/join.rb')
-rw-r--r-- | code/environments/production/modules/stdlib/lib/puppet/parser/functions/join.rb | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/join.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/join.rb new file mode 100644 index 0000000..bcb97b7 --- /dev/null +++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/join.rb @@ -0,0 +1,39 @@ +# +# join.rb +# +module Puppet::Parser::Functions + newfunction(:join, :type => :rvalue, :doc => <<-DOC + This function joins an array into a string using a separator. + + *Examples:* + + join(['a','b','c'], ",") + + Would result in: "a,b,c" + DOC + ) do |arguments| + + # Technically we support two arguments but only first is mandatory ... + raise(Puppet::ParseError, "join(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty? + + array = arguments[0] + + unless array.is_a?(Array) + raise(Puppet::ParseError, 'join(): Requires array to work with') + end + + suffix = arguments[1] if arguments[1] + + if suffix + unless suffix.is_a?(String) + raise(Puppet::ParseError, 'join(): Requires string to work with') + end + end + + result = suffix ? array.join(suffix) : array.join + + return result + end +end + +# vim: set ts=2 sw=2 et : |