GetLongOpts

   

Declaration:

Function GetLongOpts (Shortopts : String, LongOpts : POption; var Longint : Longint ) : Char;

Description:

Returns the next option found on the command-line, taking into account long options as well. If no more options are found, returns EndOfOptions. If the option requires an argument, it is returned in the OptArg variable.

ShortOptions is a string containing all possible one-letter options. (see Getopt for its description and use)

LongOpts is a pointer to the first element of an array of Option records, the last of which needs a name of zero length. The function tries to match the names even partially (i.e. -app will match e.g. the append option), but will report an error in case of ambiguity.

If the option needs an argument, set Has_arg to Required_argument, if the option optionally has an argument, set Has_arg to Optional_argument. If the option needs no argument, set Has_arg to zero.

Required arguments can be specified in two ways :

1. Pasted to the option : -option=value
2. As a separate argument : -option value

Optional arguments can only be specified through the first method.

Errors:

see Getopt, getopt (3)

See also:

For an example, see Getopt