upgrade to stdlib 4.6.1

[dsa-puppet.git] / 3rdparty / modules / stdlib / lib / puppet / parser / functions / min.rb

diff --git a/3rdparty/modules/stdlib/lib/puppet/parser/functions/min.rb b/3rdparty/modules/stdlib/lib/puppet/parser/functions/min.rb
new file mode 100644 (file)
index 0000000..6bd6ebf
--- /dev/null
+++ b/3rdparty/modules/stdlib/lib/puppet/parser/functions/min.rb
@@ -0,0 +1,21 @@
+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