puppetlabs-stdlib/lib/puppet/parser/functions/join.rb

41 lines
899 B
Ruby

#
# join.rb
#
module Puppet::Parser::Functions
newfunction(:join, :type => :rvalue, :doc => <<-EOS
This function joins an array into a string using a seperator.
*Examples:*
join(['a','b','c'], ",")
Would result in: "a,b,c"
EOS
) 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.size < 1
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 :