Adds name with permissions mode to the tar, yielding io for writing the file. The digest_algorithm is written to a read-only name.sum file following the given file contents containing the digest name and hexdigest separated by a tab.
The created digest object is returned.
Pins the gem name to the given source. Adding a gem with the same name from a different source will raise an exception.
Check is passed argument valid ‘nz_number’ in RFC 3501 terminology
Ensure argument is ‘nz_number’ or raise DataFormatError
Nonsymmetric reduction from Hessenberg to real Schur form.
Get a single optional argument from the command line. If more than one argument is given, return only the first. Return nil if none are given.
Adds a section with title and content to the parser help view. Used for adding command arguments and default arguments.
Returns a proxy URI for the given scheme if one is set in the environment variables.
Returns true and prepares http response, if rdoc for the requested gem name pattern was found.
The search is based on the file system content, not on the gems metadata. This allows additional documentation folders like ‘core’ for the Ruby core documentation - just put it underneath the main doc folder.