Date: Tue, 2 Aug 2005 19:06:31 +0200 From: Marc Fonvieille <blackend@freebsd.org> To: Chuck Swiger <cswiger@mac.com> Cc: Marc Fonvieille <blackend@freebsd.org>, freebsd-questions@freebsd.org Subject: Re: growisofs: no mkisofs options are permitted with =, aborting Message-ID: <20050802170631.GG595@gothic.blackend.org> In-Reply-To: <42EF9FD5.7060204@mac.com> References: <20050801203145.GA830@twelvegates.homeip.net> <20050802002003.GX75379@wantadilla.lemis.com> <20050802050818.GA69657@localhost.local> <42EF03C2.6060209@mac.com> <20050802054603.GA69870@localhost.local> <42EF8819.5000306@mac.com> <20050802154435.GF595@gothic.blackend.org> <42EF9FD5.7060204@mac.com>
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On Tue, Aug 02, 2005 at 12:31:17PM -0400, Chuck Swiger wrote: > > The Handbook has good documentation on using dvd+rw-tools as well as other > software, and I would second the recomendation that people take a look at > it if they want to burn CD's or DVD's. > > You are welcome to hold the opinion that the documentation is complete, but: > > 13-sec% cd /usr/ports/sysutils/dvd+rw-tools && make extract > /dev/null > 14-sec% grep luke work/dvd+rw-tools-5.21.4.10.8/growisofs.c > * - undocumented -use-the-force-luke flag to overwrite the media > * - extended syntax for -use-the-force-luke option, it's now possible > * to engage DVD-R[W] dummy mode by -use-the-force-luke=[tty,]dummy > * - complement -use-the-force-luke=dao[:size] to arrange for piping > * - implement -use-the-force-luke=seek:N -Z /dev/dvd=image to arrange > * -use-the-force-luke=seek:N it's easier to maintain "tar-formatted" > * - -use-the-force-luke=tracksize:size option by suggestion from K3b; > * - -use-the-force-luke=wrvfy for WRITE AND VERIFY(10); > * - -use-the-force-luke=4gms to allow ISO9660 directory structures > * - more sane sanity check for -use-the-force-luke=tracksize:N; > * - -use-the-force-luke=break:size to set Layer Break position for > * - -use-the-force-luke=noload to leave tray ejected at the end; > else if (!strncmp(opt,"-use-the-force-luke",19)) > > ...or consult the manpage, again: > > "There're several undocumented options commonly denoted > with > -use-the-force-luke prefix. Some of them serve debugging purposes. > Some > require certain knowledge about recording process or even OS > kernel > internals and as being such can induce confusing behaviour. Some are > to > be used in very specific situations better recognized by front-ends > or > automated scripts. Rationale behind leaving these options > undocumented > is that those few users who would actually need to use them > directly > can as well consult the source code or obtain specific > instructions > elsewhere." > I don't see the problem, the text above clearly explain the reason. And according to questions on freebsd-questions@,, the main problem is the fact no one read the "existing" documentation; For example, a recent thread about DVD burning speed/DMA issue... with the solution documented in many places... However I can understand your point of view regarding the fact the manual page do not even mention briefly the "invisible" options. A volunteer should write a patch against the manual page and send it to Andy. Marc
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