Shell Programming and Scripting

$HOME/dir1/dir2/

if [ `find $HOME -name "tables" -type d -print -follow 2>/dev/null | wc -l` -eq 0 ]
then
   echo "Directory does not exists"
   echo "creating directory"
   mkdir tables
   echo "Done ..."
else
   echo "Directory exists"
fi

 
$ echo $(basename /home/path/to)
to
$ echo $(basename /home/path/to/)
to
$ echo $(basename /home/path)
path

$ time echo $(basename ${MOVE_DIR})
table

real    0m0.046s
user    0m0.000s
sys     0m0.015s

$ time echo $MOVE_DIR | awk -F '/' '{print $NF}'
table

real    0m0.052s
user    0m0.016s
sys     0m0.046s

 
$ MOVE_DIR=/home/path/to
$ time echo ${MOVE_DIR##*/}
to
real    0m0.000s
user    0m0.000s
sys     0m0.000s

$ time basename $MOVE_DIR
to
real    0m0.112s
user    0m0.003s
sys     0m0.013s

echo ${MOVE_DIR##*/}