[FFmpeg-devel] [PATCH] configure: sort decoder/encoder/filter/... names in alphabet order in one page

[Guo, Yejun]

> -----Original Message-----
> From: ffmpeg-devel [mailto:ffmpeg-devel-bounces at ffmpeg.org] On Behalf
> Of Carl Eugen Hoyos
> Sent: Thursday, April 11, 2019 4:14 AM
> To: FFmpeg development discussions and patches <ffmpeg-
> devel at ffmpeg.org>
> Subject: Re: [FFmpeg-devel] [PATCH] configure: sort
> decoder/encoder/filter/... names in alphabet order in one page
> 
> 2019-04-10 17:16 GMT+02:00, Guo, Yejun <yejun.guo at intel.com>:
> > takes decoder names an example, with the default page length,
> > shell command 'pr' needs two pages for all the decoder names.
> > The names are firstly printed in the first page, then in the second
> > page. So, as a whole, the names are sorted neither in column
> > order nor in row order. It's a little confused.
> >
> > This patch calculates the proper page length, so all the names
> > are printed in one page, and so strictly in alphabet order, column
> > by column.
> 
> There is a report that busybox does not support pr
> and we should therefore remove its usage, there is
> even an old patch suggestion for doing this, see ticket #5680

I tried the patch and found it does not work well for print_in_columns,
it just prints all the names one by one, line by line, not in good format. 

I'll send out a new patch for print_in_columns in a better format with printf.

> 
> Maybe this would be a good moment to do this?
> 
> Carl Eugen
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