Guru: The CALL I’ve Been Waiting For

June 20, 2022 Ted Holt

Christmas came to my house early this year. May 3, to be exact. Boy! Was Santa Claus good to me! IBM gave me two presents! The first was a CL enhancement that I had desired for years. The second was an improvement that, to my delight, almost obsoletes a utility I wrote years ago. Both have to do with the CL CALL command.

CALL is arguably the most used and most important command in CL, yet for all these years it has remained untouched. I’m glad that IBM has seen fit to devote time and resources to the enhancement of …