linux - Extract string between two / from right -

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extract string between 2 / right

command preparation:

input:- [directories name not constant]

example 1:-

/dir1/dir2/

example 2:-

/dir1/dir2/dir3/dir4/

i want output below

example 1 output:-

nohup dsmc arch /dir1/dir2/ -subdir=yes > /tsm/backuplogs/dir2_`date +%d%m%y_%h_%m`.log &

example 2 output:-

nohup dsmc arch /dir1/dir2/dir3/dir4/ -subdir=yes > /tsm/backuplogs/dir4_`date +%d%m%y_%h_%m`.log &

use basename program extract last dir paths, this: 

path=/dir1/dir2/dir3/dir4/ echo "nohup dsmc arch $path -subdir=yes > /tsm/backuplogs/$(basename $path)_\`date +%d%m%y_%h_%m\`.log &"

the above line output: 

nohup dsmc arch /dir1/dir2/dir3/dir4/ -subdir=yes > /tsm/backuplogs/dir4_`date +%d%m%y_%h_%m`.log &

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