Hi Paul, I totally agree with the answers from both Charles and Mike. In addition, you might find these two links useful for you.
http://www.watsonwalker.com/clist181.html http://www.watsonwalker.com/Clist182.pdf If you're a subscriber to Cheryl Watson's Tuning Letter, do a search on the DVD for COBOL, change the search sequence to 'Sort by filename' and look at the articles for the past two years. We have many articles about COBOL 5 in past issues. Another way to improve performance of older COBOL programs is the IBM COBOL Binary Optimizer. We mentioned the beta in http://www.watsonwalker.com/Clist184.pdf, and it's now a product: http://www-03.ibm.com/software/products/en/z-compilers-optimizer. Best regards, Cheryl Cheryl Watson Watson & Walker, Inc. che...@watsonwalker.com www.watsonwalker.com -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of esst...@juno.com Sent: Saturday, January 23, 2016 4:08 PM To: IBM-MAIN@LISTSERV.UA.EDU Subject: COBOL v5 We are planning to upgrade to z/OS V2.2 and with it COBOL v5 . Im being told that programs compiled with COBOL 5 must have there load modules reside in a PDSE. So we are undertaking a conversion from PDS to PDSE so that a program compiled with COBOL 5 will link edit into a PDSE. . I have no objections to this, I just cant get a straight answer as to why is a PDSE necessary is necessary for COBOL 5 programs. . I have not heard of this requirement with Assembler. What About PL/I and C, are they required to have load modules stored in a PDSE ? . IBMLInk told me that the Format of a COBOL 5 program is different and as such requires a PDSE. . Is it the COBOL Compiler or the Binder/Linkage Editor that has the requirement. As Far as I know existing programs compiled with pre COBOL 5 compilers can execute out of a PDSE. . So why cant a application programmer continue to use a Complier prior to COBOL 5 and link edit into the same PDS/E. . Im Not understanding what/why COBOL 5 needs a PDSE. . Paul ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
