Puppet Function: array_suffix

Defined in:
lib/puppet/parser/functions/array_suffix.rb
Function type:
Ruby 3.x API

Overview

array_suffix() ⇒ Any

This function applies a suffix to all elements in an array.

Examples:

array_suffix(['a','b','c'], 'p')

Will return: [‘ap’,‘bp’,‘cp’]

Returns:

  • (Any) —

    Array



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# File 'lib/puppet/parser/functions/array_suffix.rb', line 6

newfunction(:array_suffix, :type => :rvalue, :doc => <<-EOS
This function applies a suffix to all elements in an array.

*Examples:*

  array_suffix(['a','b','c'], 'p')

Will return: ['ap','bp','cp']

@return Array
  EOS
) do |arguments|

  # Technically we support two arguments but only first is mandatory ...
  raise(Puppet::ParseError, "array_suffix(): Wrong number of arguments " +
    "given (#{arguments.size} for 1)") if arguments.size < 1

  array = arguments[0]

  unless array.is_a?(Array)
    raise Puppet::ParseError, "array_suffix(): expected first argument to be an Array, got #{array.inspect}"
  end

  suffix = arguments[1] if arguments[1]

  if suffix
    unless suffix.is_a? String
      raise Puppet::ParseError, "array_suffix(): expected second argument to be a String, got #{suffix.inspect}"
    end
  end

  # Turn everything into string same as join would do ...
  result = array.collect do |i|
    i = i.to_s
    suffix ? i + suffix : i
  end

  return result
end