diff options
Diffstat (limited to 'code/environments/production/modules/stdlib/lib/puppet/parser/functions/min.rb')
-rw-r--r-- | code/environments/production/modules/stdlib/lib/puppet/parser/functions/min.rb | 23 |
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 new file mode 100644 index 0000000..985ec56 --- /dev/null +++ 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 |