Puppet Function: chomp

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

Overview

chomp() ⇒ Any

Removes the record separator from the end of a string or an array of strings, for example `hellon` becomes `hello`. Requires a single string or array as an input.

Returns:

  • (Any) 


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# File 'puppet/modules/stdlib/lib/puppet/parser/functions/chomp.rb', line 6

newfunction(:chomp, :type => :rvalue, :doc => <<-'EOS'
  Removes the record separator from the end of a string or an array of
  strings, for example `hello\n` becomes `hello`.
  Requires a single string or array as an input.
  EOS
) do |arguments|

  raise(Puppet::ParseError, "chomp(): Wrong number of arguments " +
    "given (#{arguments.size} for 1)") if arguments.size < 1

  value = arguments[0]

  unless value.is_a?(Array) || value.is_a?(String)
    raise(Puppet::ParseError, 'chomp(): Requires either ' +
      'array or string to work with')
  end

  if value.is_a?(Array)
    # Numbers in Puppet are often string-encoded which is troublesome ...
    result = value.collect { |i| i.is_a?(String) ? i.chomp : i }
  else
    result = value.chomp
  end

  return result
end