Converting data in text file to csv tables

My data in a text file have the below format today ~~~ HKL1234/2, R1B HKL1274/2, R4E HREF457-74, R1A ~~~ I need to present this data in excel file in two different columns like below: ~~~ Product Revision HKL1234/2 R1B HKL1274/2 R4E HREF457-74 R1A ~~~ How can I do this in bash script? would you please help me with my challenge.