--- /dev/null
+module Puppet::Parser::Functions
+ newfunction(:min, :type => :rvalue, :doc => <<-EOS
+ Returns the lowest value of all arguments.
+ Requires at least one argument.
+ EOS
+ ) do |args|
+
+ raise(Puppet::ParseError, "min(): Wrong number of arguments " +
+ "need at least one") if args.size == 0
+
+ # Sometimes we get numbers as numerics and sometimes as strings.
+ # We try to compare them as numbers when possible
+ return args.min do |a,b|
+ if a.to_s =~ /\A^-?\d+(.\d+)?\z/ and b.to_s =~ /\A-?\d+(.\d+)?\z/ then
+ a.to_f <=> b.to_f
+ else
+ a.to_s <=> b.to_s
+ end
+ end
+ end
+end