[FFmpeg-user] Why are absolute paths for concat unsafe?

Shriramana Sharma samjnaa at gmail.com
Fri Jan 20 15:45:13 EET 2017

Hello. I wanted to concat a few files. I came upon
https://trac.ffmpeg.org/wiki/Concatenate. It says to use concat
demuxer (among other options). But when I used it I came upon "Unsafe
file name" error. Googling for a solution to this I came upon:


I then discovered:


Tracing this back I could go up to:


But still I am not sure why exactly absolute paths are considered
unsafe. I would like an explanation for this. Thank you!

Shriramana Sharma ஶ்ரீரமணஶர்மா श्रीरमणशर्मा

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