My bad, I had checked the encoding in filebot.sh but not in script.sh. Adding export LANG="en_US.UTF-8" at the beginning of script.sh fixed the issue, and -Dfile.encoding=UTF-8 is no longer necessary.

The problem was caused by Transmission manually resetting the environment before calling the ...

Forgot to mention I already checked that. LANG is en_US.UTF-8 (checked by adding echo $LANG at the beginning of filebot.sh).

I'm triggering amc.groovy through a bash script ("script.sh") at the end of Transmission downloads.

Unfortunately, I get the following error (I've edited the actual paths):

[HARDLINK] Rename [/download/path] to [/destination/accent_é_issue/path]
java.nio.file.InvalidPathException: Malformed input ...

I'm using Plex together with filebot and AMC, but Plex misidentifies filebot-generated french subtitles. Plex uses ISO 639-2/B (.fre) and filebot uses ISO 639-2/T (.fra).

I've tried modifying AMC in the following way:

After def subtitlesFiles = getMissingSubtitles(...)
I've added subtitleFiles ...