Thanks for the replay, and i will try to do this. But my requirement is different - Let take I have one Execute script which is crontag to run daily once and under this script i will search for 1 file which will load every month, so suppose today my crontab will run the execute script and it not find the file, so as file is not there the other process - "Load file in HDFS" will not call/start/run , and in next day when cron tag again run the execute script it will find the file then the other process should start/run but my previous step or do we have any other alternative to start my "Load file in HDFS" automatically when files are presented.
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