deus@ubuntu:~/ffmpeg.work$ ll
total 1159144
drwxrwxr-x 2 deus deus 4096 Jan 27 07:17 ./
drwxr-xr-x 32 deus deus 4096 Jan 27 02:44 ../
-rw-rw-r-- 1 deus deus 593460333 Jan 27 03:28 test orig.mp4
-rw-rw-r-- 1 deus deus 593460333 Jan 27 03:29 test.orig.mp4
-rwxrwx-w- 1 deus deus 249 Jan 27 07:17 test.sh*
deus@ubuntu:~/ffmpeg.work$ cat test.sh
#!/bin/bash
inputfiles=(*.mp4)
outputfiles=("${inputfiles[*]/%.*/.test.mp4}")
echo "Input Files"
for item in ${inputfiles[*]}
do
printf " %s\n" "$item"
done
echo "Output Files"
for item in ${outputfiles[*]}
do
printf " %s\n" "$item"
done
deus@ubuntu:~/ffmpeg.work$ ./test.sh
Input Files
test
orig.mp4
test.orig.mp4
Output Files
test
orig.test.mp4
test.test.mp4
deus@ubuntu:~/ffmpeg.work$