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-rw-r--r--code/environments/production/modules/stdlib/lib/puppet/parser/functions/min.rb23
1 files changed, 23 insertions, 0 deletions
diff --git a/code/environments/production/modules/stdlib/lib/puppet/parser/functions/min.rb b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/min.rb
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+++ b/code/environments/production/modules/stdlib/lib/puppet/parser/functions/min.rb
@@ -0,0 +1,23 @@
+#
+# min.rb
+#
+module Puppet::Parser::Functions
+ newfunction(:min, :type => :rvalue, :doc => <<-DOC
+ Returns the lowest value of all arguments.
+ Requires at least one argument.
+ DOC
+ ) do |args|
+
+ raise(Puppet::ParseError, 'min(): Wrong number of arguments need at least one') if args.empty?
+
+ # 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 =~ %r{\A^-?\d+(.\d+)?\z} && b.to_s =~ %r{\A-?\d+(.\d+)?\z}
+ a.to_f <=> b.to_f
+ else
+ a.to_s <=> b.to_s
+ end
+ end
+ end
+end