#
# abs.rb
#
-
module Puppet::Parser::Functions
- newfunction(:abs, :type => :rvalue, :doc => <<-EOS
+ newfunction(:abs, :type => :rvalue, :doc => <<-DOC
Returns the absolute value of a number, for example -34.56 becomes
34.56. Takes a single integer and float value as an argument.
- EOS
- ) do |arguments|
- raise(Puppet::ParseError, "abs(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.size < 1
+ Note: from Puppet 6.0.0, the compatible function with the same name in Puppet core
+ will be used instead of this function.
+ DOC
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "abs(): Wrong number of arguments given (#{arguments.size} for 1)") if arguments.empty?
value = arguments[0]
# Numbers in Puppet are often string-encoded which is troublesome ...
if value.is_a?(String)
- if value.match(/^-?(?:\d+)(?:\.\d+){1}$/)
+ if value =~ %r{^-?(?:\d+)(?:\.\d+){1}$}
value = value.to_f
- elsif value.match(/^-?\d+$/)
+ elsif value =~ %r{^-?\d+$}
value = value.to_i
else
raise(Puppet::ParseError, 'abs(): Requires float or integer to work with')