Puppet Function: reject

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

Summary

This function searches through an array and rejects all elements that match the provided regular expression.

Overview

reject() ⇒ Any

> Note: Since Puppet 4.0.0 the same is in general done with the filter function. Here is the equivalence of the reject() function: ['aaa','bbb','ccc','aaaddd'].filter |$x| { $x !~

Examples:

*Usage*


reject(['aaa','bbb','ccc','aaaddd'], 'aaa')

Would return: ['bbb','ccc']

Returns:

  • (Any) —

    an array containing all the elements which doesn'' match the provided regular expression



7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
 
# File 'vendor_modules/stdlib/lib/puppet/parser/functions/reject.rb', line 7

newfunction(:reject, type: :rvalue, doc: <<-DOC) do |args|
  @summary
    This function searches through an array and rejects all elements that match
    the provided regular expression.

  @return
    an array containing all the elements which doesn'' match the provided regular expression

  @example **Usage**

    reject(['aaa','bbb','ccc','aaaddd'], 'aaa')

    Would return: ['bbb','ccc']

  > *Note:*
  Since Puppet 4.0.0 the same is in general done with the filter function. Here is the equivalence of the reject() function:
  ['aaa','bbb','ccc','aaaddd'].filter |$x| { $x !~ /aaa/ }
DOC

  if args.size != 2
    raise Puppet::ParseError,
          "reject(): Wrong number of arguments given #{args.size} for 2"
  end

  ary = args[0]
  pattern = Regexp.new(args[1])

  ary.reject { |e| e =~ pattern }
end