Using RedHat 7.3 and Bash 2.05a I can write the following script. echo -n "Please enter a date (DD-MON-YYYY): " read indate How can I make sure indate is in uppercase? Thanks. This transmission (and any information attached to it) may be confidential and is intended solely for the use of the individual or entity to which it is addressed. If you are not the intended recipient or the person responsible for delivering the transmission to the intended recipient, be advised that you have received this transmission in error and that any use, dissemination, forwarding, printing, or copying of this information is strictly prohibited. If you have received this transmission in error, please immediately notify LabOne at the following email address: securityincidentreporting@labone.com