On Wed, Dec 19, 2007 at 06:11:25PM +0100, Alfred M. Szmidt wrote: > 1. It does a significant part of the work at compile time. So the > generated code can be quite simple and fast. > > I cannot comment which is simpler, since I do not know genparse. But > parsing arguments isn't a speed critical task. argp is a wrapper > around getopt and getopt_long, and uses those functions to parse > arguments.
The genparse also is a wrapper around getopt_long. For argp the user provides a customized struct and a library function does the parsing at run time while genparse generates a customized wrapper from a setup file at compile time. > argp part of the GNU C Library which is used by all GNU system > variants, like GNU/Linux, so it is a standard tool. > > 2. It is able to auto generate a highly configurable usage > function. Many of the replies on my previous posts to the > coreutils mailing list were about the usage function. argp also > can print a usage function but how far can you customize it? > > You can customize as much as you would like. Please see argp chapter > in the GNU C Library manual for details. > > Has anybody tried to convert one of the coreutils tools to use > argp? I would be very interested to see a comparison to the > genparse solution. > > Debarshi Ray <[EMAIL PROTECTED]> converted a bunch of tools in inetutils > (http://www.gnu.org/s/inetutils/, http://sv.gnu.org/p/inetutils/) to > use argp instead of getopt/getopt_long. Some which have quite hairy > parsing semantics, for example ping which uses children parsers, but > that patch is not in CVS yet. > > The Hurd also uses argp for some very weird parsing, you can look at > examples at http://sv.gnu.org/p/hurd/. I just downloaded the inetutils, version 1.5 but I can't find any argp code. I looked at ping and ftp. Do I need the latest version from git? Michael _______________________________________________ Bug-coreutils mailing list Bug-coreutils@gnu.org http://lists.gnu.org/mailman/listinfo/bug-coreutils
