Executing a program for N seconds then exiting:

If you need to execute a given command for a specified number of seconds Linux system. Then there is no command available in Linux for this purpose.

#!/bin/bash

cmd=$1
seconds=$2

echo "Executing: ${cmd} for $seconds seconds"
$cmd&

cmdpid=$!
sleep $seconds

if [ -d /proc/$cmdpid ]
then
  echo "terminating program PID:$cmdpid"
  kill -9 $cmdpid
fi

If you save this into a file called run_command_for_seconds_exits.sh you use it with:

bash run_command_for_seconds_exits.sh "hdfs dfs -put 20170207020*.gz /data/TEST_1/" 50


The above will run the command “hdfs dfs -put 20170207020*.gz /data/TEST_1/” 50″  for 50 seconds, then it will exit.

Examples:
[admin@GVSGLBNN-2 TEST]# bash /data/scripts/run_command_for_seconds_exits.sh “mv /data/HdfsDownloader/retention/20170315/20170315*.gz . ” 60

bash run_command_for_seconds_exits.sh “hdfs dfs -put 20170207020*.gz /data/TEST_1/” 50