Jan Stary <hans@xxxxxxxx> writes: > On Sep 20 17:05:10, mans@xxxxxxxxx wrote: >> Jan Stary <hans@xxxxxxxx> writes: >> >> >> > I am proposing to remove libmagic from SoX, because >> >> > >> >> > 1. It is of questionable utility. Next time you encounter >> >> > a missnamed or unrecognizable audio file, just run file(1) on it. >> >> > That's what file(1) is for. >> >> >> >> Wrong. How would you do that in an automated fashion? >> > >> > I don't understand the question - >> > cannot file(1) be scripted just like sox? >> >> What do you propose one should do with the file(1) output? > > Ah, that's right. > > But I still believe that if I have a misnamed or unrecognizable file > (say, an OGG file named *.wav), the first thing to do is to fix _that_, > (i.e. rename it to *.ogg) and only then run SoX on it. > > Using libmagic in SoX let's me ignore that: sox --magic let's me > treat the *.wav file as an OGG which it is. That is _not_ a good thing: > the very same problem is still there. Oh gosh, the world isn't perfect. Let's immediately stick our heads in the sand and pretend it ain't so. >> >> > 2. I haven't inspected the code closely, but it also seems that >> >> > for the libmagic functionality to even happen, you need to call SoX >> >> > with an explicit --magic. If that's the case, tell me: >> >> >> >> Yes, that is the case. >> >> >> >> > have you ever done that? No. So you are not using it anyway. >> >> >> >> Again, it doesn't matter. Since it's there, I have to assume someone is >> >> using it. >> > >> > This seems to be exactly the point where we differ: >> > I believe it's dead code: >> >> Based on what? That *you* haven't ever needed it? > > No. That's why I am asking here first. > (So far, zero people said "I am using it".) Only a tiny fraction of all sox users follow this mailing list. >> >> > So far the only argument for it to stay is that it's already there. >> >> > IMHO that's not a reason for it to be there. Or, to paraphrase: >> >> > code without reason is always misguided. >> >> > >> >> > Of course I can build my SoX --without-magic (and I do). I just >> >> > believe that it would be beneficial to SoX as a piece of software to >> >> > drop it entirely. It would be smaller without really losing anything. >> >> >> >> It would be losing a feature. How is that ever beneficial? >> > >> > Again, this seems to be the very difference in attitude: >> > "features must never be removed". No wonder software gets >> > evr more bloated. >> >> By extension, features should never be added either. >> Hell, we should just stop writing software at all. > > Again with the false generalizations. No, that's not what I am saying. > But your argument for "why should libmagic stay" is "because it's there". > That's not a reason to keep it. Just why do you think someone added the feature in the first place? My money is on someone needing it. Unless it is broken or a burden to maintain, it should stay. You're not even the maintainer, so why do you care? >> Why do you hate this particular feature so badly? > > I don't hate it (or have any other sentiment towards it). > I just think it's unused cruft of questionable value, > and thus a candidate for removal. That's why I asked > if people are using it. (So far, no-one said yes.) You could say the same about almost every feature in sox. The vast majority of effects are very rarely used. > NB: Using libmagic in SoX means explicitly using the --magic option. > If anyone is doing that, please speak up. Again, most users do not follow this mailing list. >> >> That said, having looked at the code, the use of libmagic is actually >> >> quite limited and could probably be replaced with little effort without >> >> losing any functionality. If I cared as deeply as you appear to do, >> >> that's where I'd be looking. >> > >> > "Replaced" with what? >> >> Similar functionality re-implemented without libmagic. > > How would that be any different? I don't have anything against > libmagic itself; but I believe SoX does not need to try to guess > unrecognized file formats, be it via libmagic or something > quite-the-same-but-different internally. What kind of fantasy land do you live in? > If I have an OGG file named *.wav, _that_ is the problem. If an internet > radio streams a FLAC stream named *.mp3, _that_ is the problem. > And using libmagic (or any format guessing for that matter) _in_SoX_ > is not a solution to it. Instead, find out what the format really is, > maybe using a tool designed for file format guessing such as file(1), > and fix _that_ first. "Fixing" it within SoX is imho a pollution of SoX. > That's my point. So you want to fix the internet. Good luck with that. -- Måns Rullgård ------------------------------------------------------------------------------ _______________________________________________ Sox-users mailing list Sox-users@xxxxxxxxxxxxxxxxxxxxx https://lists.sourceforge.net/lists/listinfo/sox-users