diff options
Diffstat (limited to 'puppet/modules/stdlib/lib/puppet/parser/functions/min.rb')
| -rw-r--r-- | puppet/modules/stdlib/lib/puppet/parser/functions/min.rb | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/lib/puppet/parser/functions/min.rb b/puppet/modules/stdlib/lib/puppet/parser/functions/min.rb new file mode 100644 index 00000000..6bd6ebf2 --- /dev/null +++ b/puppet/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 |