Filename with out extension using Shell Script

#!/usr/bin/sh

MYFILENAME="/xyz/abc/myfile.txt"

echo "File Path: ${MYFILENAME%/*} o/p :/xyz/abc"
echo "FULL Filename: ${MYFILENAME##*/} o/p :myfile.txt"
echo "File Extension: ${MYFILENAME##*.} o/p :txt"
echo "Filename with out extension: ${MYFILENAME%.*} o/p:myfile"