or, feed the cards into a reader. put them in a file. sort the file. send the file to a cardpunch. recycle the original card deck i don't remember how to d

or, feed the cards into a reader. put them in a file. sort the file. send the file to a cardpunch. recycle the original card deck i don't remember how to do this on a CDC mainframe, but at one time in my life it would only have taken 15 minutes. of which 14 minutes would be waiting for my job to run.