Nice! They sneak these new instruction in while I'm not looking. <g> Charles
-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Ed Jaffe Sent: Saturday, April 4, 2020 11:04 AM To: [email protected] Subject: Re: ESPIE question (does ESPIE "cover" ATTACH'd sub-tasks) On 4/4/2020 10:29 AM, Charles Mills wrote: > Let's say you were writing a report generator. You are processing data of > unknown quality using field definitions generated by inexperienced > programmers, and report programs written by non-programmers. You might > expect a fair number of arithmetic operations on packed fields that > contained invalid data, and a fair number of divisions by zero. Let's posit > that ABENDing on the first such condition is not acceptable to user > management. > > Would you use ESPIE to trap S0C7's and S0C9's, or would you validate the > data with explicit "hand-coded" tests before every arithmetic operation? The TP (TEST DECIMAL) instruction comes in handy here... ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
