文件操作 - find_file.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/parser/functions/find_file.rb

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# frozen_string_literal: true

Puppet::Parser::Functions.newfunction(
  :find_file,
  :type => :rvalue,
  :arity => -2,
  :doc => <<~DOC
    Finds an existing file from a module and returns its path.

The argument to this function should be a String as a `<MODULE NAME>/<FILE>`
    reference, which will search for `<FILE>` relative to a module's `files`
    directory. (For example, the reference `mysql/mysqltuner.pl` will search for the
    file `<MODULES DIRECTORY>/mysql/files/mysqltuner.pl`.)

This function can also accept:

* An absolute String path, which will check for the existence of a file from anywhere on disk.
    * Multiple String arguments, which will return the path of the **first** file
      found, skipping non existing files.
    * An array of string paths, which will return the path of the **first** file
      found from the given paths in the array, skipping non existing files.

The function returns `undef` if none of the given paths were found

- since 4.8.0
  DOC
) do |_args|
  Puppet::Parser::Functions::Error.is4x('find_file')
end

文件操作 - find_file.rb

文件: /opt/puppetlabs/puppet/lib/ruby/vendor_ruby/puppet/parser/functions/find_file.rb

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