Updating in file

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# 1  
Old 05-14-2017
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i have an csv(which is a month's log file containing userid and log in date ) file which has to be appended to another file say master.log.I need to compare the next month's log data to master.log file .In case, there is new log date for userid it has to get updated in master.log file or i need to append it to master.log file.

please help in bash scripting.

db i use is oracle.

Thanks in advance.
# 2  
Old 05-14-2017
From what you have learned from your other thread (Inserting values to database), what do you think you might need to do to solve this problem? Have you tried to solve this problem on your own? Where did you get stuck? What did the code you tried fail to do that you wanted to do? What diagnostics did the code you tried produce?
This User Gave Thanks to Don Cragun For This Post:
# 3  
Old 05-14-2017
Please become accustomed to provide decent context info of your problem.
It is always helpful to support a request with system info like OS and shell, related environment (variables, options), preferred tools, and adequate (representative) sample input and desired output data and the logics connecting the two, to avoid ambiguities and keep people from guessing.
This User Gave Thanks to RudiC For This Post:
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