Useful Bash One-Liners

# Recursively copy all the avi videos in some file structure to a flat folder
# Source: https://stackoverflow.com/a/1936214
find . -iname '*.avi' -exec cp \{\} ../videos/ \;

# ffmpeg convert avi to mp4
ffmpeg -i infile.avi youroutput.mp4

# Convert all avi's in a folder to mp4 with ffmpeg
# Source: https://stackoverflow.com/a/33766147
for i in *.avi; do ffmpeg -i "$i" -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" "${i%.*}.mp4"; done

# Convert all avis within the structure to a mp4 at the same location
find . -iname '*.avi' -exec ffmpeg -i "{}" -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" "{}.mp4" \;

# Delete all mp4s
find . -iname '*.mp4' -exec rm -rf "{}" \;

# Give everyone access to a folder
# Source: https://www.linux.com/learn/how-manage-file-and-folder-permissions-linux
sudo chmod -R ugo+rw /DATA/SHARE

# Figure out whats taking up space limited to just your filesystem
ncdu -x