Puppet Function: delete
- Defined in:
- puppet/modules/stdlib/lib/puppet/parser/functions/delete.rb
- Function type:
- Ruby 3.x API
Overview
Deletes all instances of a given element from an array, substring from a string, or key from a hash.
Examples:
delete(['a','b','c','b'], 'b')
Would return: ['a','c']
delete({'a'=>1,'b'=>2,'c'=>3}, 'b')
Would return: {'a'=>1,'c'=>3}
delete({'a'=>1,'b'=>2,'c'=>3}, ['b','c'])
Would return: {'a'=>1}
delete('abracadabra', 'bra')
Would return: 'acada'
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# File 'puppet/modules/stdlib/lib/puppet/parser/functions/delete.rb', line 6 newfunction(:delete, :type => :rvalue, :doc => <<-EOS Deletes all instances of a given element from an array, substring from a string, or key from a hash. *Examples:* delete(['a','b','c','b'], 'b') Would return: ['a','c'] delete({'a'=>1,'b'=>2,'c'=>3}, 'b') Would return: {'a'=>1,'c'=>3} delete({'a'=>1,'b'=>2,'c'=>3}, ['b','c']) Would return: {'a'=>1} delete('abracadabra', 'bra') Would return: 'acada' EOS ) do |arguments| raise(Puppet::ParseError, "delete(): Wrong number of arguments "+ "given #{arguments.size} for 2") unless arguments.size == 2 collection = arguments[0].dup Array(arguments[1]).each do |item| case collection when Array, Hash collection.delete item when String collection.gsub! item, '' else raise(TypeError, "delete(): First argument must be an Array, " + "String, or Hash. Given an argument of class #{collection.class}.") end end collection end |