#!/usr/bin/env bash
START=`date +%s`;
# your code
sleep 3s;
END=`date +%s`;
time=$[ END - START ]
echo "$time s, done"
#!/usr/bin/env bash
START=`date +%s`;
# your code
sleep 3s;
END=`date +%s`;
time=$[ END - START ]
echo "$time s, done"