Module: SnippetCli::FileHelper

Defined in:

lib/snippet_cli/file_helper.rb

Overview

Utility methods for safe file reading.

Class Method Summary

• .ensure_readable!(path) ⇒ Object

  Checks that path exists.

• .read_or_empty(path) ⇒ Object

  Returns the contents of path if it exists, or an empty string otherwise.

Class Method Details

.ensure_readable!(path) ⇒ Object

Checks that path exists. Raises FileMissingError if not.

Raises:

• (FileMissingError)

# File 'lib/snippet_cli/file_helper.rb', line 7

def self.ensure_readable!(path)
  raise FileMissingError, "File not found: #{path}" unless File.exist?(path)
end

.read_or_empty(path) ⇒ Object

Returns the contents of path if it exists, or an empty string otherwise.

# File 'lib/snippet_cli/file_helper.rb', line 12

def self.read_or_empty(path)
  File.exist?(path) ? File.read(path) : ''
end