[FFmpeg-trac] #8873(undetermined:new): Parsing error in concat demuxer with "..." (multiple consecutive dot chars)

[FFmpeg]

#8873: Parsing error in concat demuxer with "..." (multiple consecutive dot chars)
-------------------------------------+-------------------------------------
             Reporter:  grill05      |                     Type:  defect
               Status:  new          |                 Priority:  normal
            Component:               |                  Version:
  undetermined                       |  unspecified
             Keywords:  concat       |               Blocked By:
  demuxer parsing                    |
             Blocking:               |  Reproduced by developer:  0
Analyzed by developer:  0            |
-------------------------------------+-------------------------------------
 Summary of the bug:
 How to reproduce:
 {{{
 % ffmpeg  -safe 0 -f concat -safe 0 -i "ffc" -c copy concat.mkv -y
 where the text file "ffc" is:

 ffconcat version 1.0
 file test....01.of.02.mkv
 file test....02.of.02.mkv

 There are two files, "test....01.of.02.mkv" and "test....02.of.02.mkv" in
 current directory.
 the concat file is as above.
 On giiving the above command, ffmpeg gives

 [concat @ 0x55ba54fa5700] Impossible to open '.01.of.02.mkv'

 The filename "test....01.of.02.mkv" is being incorrectly parsed as
 ".01.of.02.mkv"

 Puttng the filename under single quotes did not work
 Escaping (each) dot character with \ also did not work


 ffmpeg version 4.2.git

 }}}
 Patches should be submitted to the ffmpeg-devel mailing list and not this
 bug tracker.

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Ticket URL: <https://trac.ffmpeg.org/ticket/8873>
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