Actually it is documented as well as using double ampersands for symbols (deferred usage) and the use of the ampersand as a part of the name.
Adam Sent from my iPhone > On Jun 9, 2018, at 11:24 AM, Ed Jaffe <edja...@phoenixsoftware.com> wrote: > >> On 6/6/2018 8:51 AM, Steve Smith wrote: >> This has been previously discussed. The main issue (as usual) is >> incompatibility with an ancient bug (or feature). Specifically, temporary >> dataset names such as DSN=&TMP. That's supposed to be DSN=&&TMP, but for >> whatever reason, the single-& version works, unless &TMP is a symbol. > > Wow! I confirmed this is an exposure! I never knew! > > IBM does not mention the single ampersand being valid temporary data set name > syntax in the description of the DSNAME parameter on the DD statement and I > have previously not seen it used that way. > https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.3.0/com.ibm.zos.v2r3.ieab600/iea3b6_Syntax25.htm > > This reminds me of the rule in REXX where use of an uninitialized variable > results in the variable name itself being substituted. But, that is > documented behavior. This is just plain wrong. > > It might be a good use of the common tracker component (GTZ) to help identify > JCL with such errors. Otherwise, every new symbol added -- to the system, to > a proc, to anything that might have visibility to a job stream -- can lead to > unexpected JCL errors. > > -- > Phoenix Software International > Edward E. Jaffe > 831 Parkview Drive North > El Segundo, CA 90245 > http://www.phoenixsoftware.com/ > -------------------------------------------------------------------------------- > This e-mail message, including any attachments, appended messages and the > information contained therein, is for the sole use of the intended > recipient(s). If you are not an intended recipient or have otherwise > received this email message in error, any use, dissemination, distribution, > review, storage or copying of this e-mail message and the information > contained therein is strictly prohibited. If you are not an intended > recipient, please contact the sender by reply e-mail and destroy all copies > of this email message and do not otherwise utilize or retain this email > message or any or all of the information contained therein. Although this > email message and any attachments or appended messages are believed to be > free of any virus or other defect that might affect any computer system into > which it is received and opened, it is the responsibility of the recipient > to ensure that it is virus free and no responsibility is accepted by the > sender for any loss or damage arising in any way from its opening or use. > > ---------------------------------------------------------------------- > 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
