Java – Date validation using SimpleDateFormat

I need to write a program which reads a date string. The program then archives all the data on the server with the input date as an cut off date.

The following java program is based on the tutorial in </dream.in.code>. It reads a date string, validate it and print the number of date difference between today and the input date.
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Shell Script – Delete Old Files

For housekeeping the backup files on a server, we can write a shell script to remove files which were created some days ago and scheduled it by cron job.

The following code is an example to remove backup files which were created 90 days ago. Please note that the target folder is just the same as the .sh file location and the .sh file is excluded in the command.
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