Extraire le chemin, le nom et l’extension d’un fichier en bash

Imprimer

fullpath="$@"

filename="${fullpath##*/}"                      # Strip longest match of */ from start
dir="${fullpath:0:${#fullpath} - ${#filename}}" # Substring from 0 thru pos of filename
base="${filename%.[^.]*}"                       # Strip shortest match of . plus at least one non-dot char from end
ext="${filename:${#base} + 1}" 

echo "filename : $filename"
echo "dir : $dir"
echo "base : $base"
echo "ext : $ext"