27 lines
551 B
Ruby
27 lines
551 B
Ruby
#
|
|
# is_numeric.rb
|
|
#
|
|
|
|
module Puppet::Parser::Functions
|
|
newfunction(:is_numeric, :type => :rvalue, :doc => <<-EOS
|
|
Returns true if the variable passed to this function is a number.
|
|
EOS
|
|
) do |arguments|
|
|
|
|
if (arguments.size != 1) then
|
|
raise(Puppet::ParseError, "is_numeric(): Wrong number of arguments "+
|
|
"given #{arguments.size} for 1")
|
|
end
|
|
|
|
value = arguments[0]
|
|
|
|
if value == value.to_f.to_s or value == value.to_i.to_s then
|
|
return true
|
|
else
|
|
return false
|
|
end
|
|
|
|
end
|
|
end
|
|
|
|
# vim: set ts=2 sw=2 et :
|