MEMO: Get directory name / filename without extension using shell command

$ export filepath="./dir/subdir/filename.ext"

# Get directory name
$ echo $(dirname "$filepath")
./dir/subdir

# Get directory name of hierarchy one level up
$ echo $(echo $filepath | awk -F "/" '{ print $(NF -1) }')
subdir

# Get filename without extention
$ echo $(basename $filepath "~" | sed 's/\.[^\.]*$//')
filname