diff options
Diffstat (limited to 'abs.rb')
-rw-r--r-- | abs.rb | 32 |
1 files changed, 32 insertions, 0 deletions
@@ -0,0 +1,32 @@ +# +# abs.rb +# + +module Puppet::Parser::Functions + newfunction(:abs, :type => :rvalue, :doc => <<-EOS + EOS + ) do |arguments| + + raise(Puppet::ParseError, "abs(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + value = arguments[0] + + if value.is_a?(String) + if value.match(/^-?(?:\d+)(?:\.\d+){1}$/) + value = value.to_f + elsif value.match(/^-?\d+$/) + value = value.to_i + else + raise(Puppet::ParseError, 'abs(): Requires a numeric ' + + 'value to work with') + end + end + + result = value.abs + + return result + end +end + +# vim: set ts=2 sw=2 et : |