[FFmpeg-trac] #8813(undetermined:new): ffmpeg can't concat file with '..' in the filename

[FFmpeg]

#8813: ffmpeg can't concat file with '..'  in the filename
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             Reporter:  nemya9066     |                     Type:  defect
               Status:  new           |                 Priority:  normal
            Component:  undetermined  |                  Version:  4.2
             Keywords:                |               Blocked By:
             Blocking:                |  Reproduced by developer:  0
Analyzed by developer:  0             |
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 Summary of the bug:

 I was trying to concatenate a bunch of video I downloaded from the web
 when I discovered than ffmpeg can't read file name such as
 'input..file.mp4' from a file.
 It gives the error 'Impossible to open 'input..file.mp4' no such file or
 directory'

 How to reproduce:

 create a file containing two video filename such as this:
 >file 'video.mp4'
 >file 'video..copy.mp4'
 try to concatenate them with this command:
 ffmpeg -f concat -safe 0 -i file -c copy output.mp4

 ffmpeg should give an error that the file 'video..copy.mp4' couldn't be
 found
 But ffmpeg can work with the file 'video..copy.mp4' if we give it as a
 command line argument this command should work:
 ffmpeg -i video..copy.mp4 output.mp3

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Ticket URL: <https://trac.ffmpeg.org/ticket/8813>
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