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Script should keep running only at specific time


 
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# 1  
Old 03-13-2020
Script should keep running only at specific time

I want a script to run once at 6:00AM, keep running, and then STOP running at 23:59PM.

Hi,
Can we use crontab and can you write one example where the script will run only in between 6am to 00 daily.

Last edited by vbe; 03-14-2020 at 08:17 AM.. Reason: re posted under another form...
# 2  
Old 03-14-2020
Yes?
What have you done so far?
Not knowing your environment, your platform, OS, and shell you use, all I can say is to look at the man pages of at command
and to give you more help, on top of the pre-cited we will also need to see what your script looks like, what it is doing as we not the slightest idea what it will be doing all that time...
# 3  
Old 03-14-2020
Hi i have java script bulk.sh. inside this i have jar file where my java code is written.
# 4  
Old 03-14-2020
That is not much of a help, we still have no idea what is going on...
# 5  
Old 03-14-2020
My current .sh file below. Which need to run only once and it will do its job. I need below script to run only at 6am to 00.

Code:
#!/bin/bash

BM_HOME=/home/jsoc

BM_LIB=$BM_HOME/lib/BulkTerminationLib/
BM_PROPS=$BM_HOME/properties/
BM_LOG_PATH=$BM_HOME/logs
BM_PROPS_FILE=$BM_HOME/properties/bulktermination.properties
BM_log4j_FILE=$BM_HOME/properties/bulkterminationlog4j.properties

CLASSPATH=BulkTermination:$BM_LIB/BulkTermination.jar:$BM_LIB/log4j-1.2.15.jar:$BM_LIB/com.mysql.jdbc_5.1.5.jar:$BM_LIB/http-core-4.1.jar:$BM_LIB/httpclient-4.0.3.jar:$BM_LIB/org.apache.commons.httpclient.jar:$BM_LIB/org-apache-commons-logging.jar

echo $CLASSPATH

########################################################################################################################################

java  -cp $CLASSPATH -DTPP_PROPS=$BM_PROPS_FILE -DTPP_log4j=$BM_log4j_FILE com.sap.term.main.BulkTermination 1>>$BM_LOG_PATH/BulkTermination.log 2>>$BM_LOG_PATH/BulkTerminationError.log &


Last edited by vbe; 03-14-2020 at 09:27 AM.. Reason: code tags
# 6  
Old 03-14-2020
So what is it doing? during all that time?
It can more tricky than you think...
From what I understand, your program once executed runs forever ( normally ...) and you want it to stop at a given time
This can be achieved applying same rules as services or daemons: you are to write a start/stop init script, then once tested and perfectly functional use it in cron with start option at 6am and stop at 23:59
But what happens when it for any reason is no more running in the hours it should? ...
# 7  
Old 03-14-2020
It will pick some data from database and update it. When it stops it will stop updating the database and when it runs again it should continue from the same.
Can you please help me by writing script.

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