>>... all challenges for DFSORT; some not algorithmically solvable. Paul, ' Can you send me a sample of data with all the challenging scenarios and I will *try* to see if I can solve it. For a fully tested solution it would be only on Monday.
Thanks, Kolusu IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> wrote on 07/16/2017 07:28:19 AM: > From: Paul Gilmartin <0000000433f07816-dmarc-requ...@listserv.ua.edu> > To: IBM-MAIN@LISTSERV.UA.EDU > Date: 07/16/2017 07:28 AM > Subject: Re: Sort Question > Sent by: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> > > On Sat, 15 Jul 2017 14:18:41 -0500, Edward Gould wrote: > > >One of my users asked me this question and I am not quite clear on > how to respond. > >Given an email address aaa...@bbb.com <mailto:aaa...@bbb.com> (example) > > > >He just wants to sort on the field before the @ and then for a > secondary sort the bbb field. Both fields are variable in length > (not sure what the max is). > >Any suggestions on how to do this? I have tried RTFM but maybe I am > not looking at the question correctly . > > > (From RFC 822: > addr-spec = local-part "@" domain ; global address ) > > The domain is specified (Internet standard) to be case-insensitive. > > The interpretation of the local-part is left entirely up to the server, > which may treat it as case-sensitive or insensitive. > > If the local-part contains special characters, it must be surrounded by > quotation marks. If there are no special characters, the quotation > marks are optional. > > Mappings may make domains equivalent. For example, my domain > may be written as "AIM.com" or "AOL.Com" > > Some servers (not all) accept userID"+"subaccount as a local-part, > delivering mail to userID and allowing rules in userID's MUA to > sort messages into folders. > > And a comment may be profided as a "phrase" in "mailbox" > > mailbox = addr-spec ; simple address > / phrase route-addr ; name & addr-spec > > route-addr = "<" [route] addr-spec ">" > > ... all challenges for DFSORT; some not algorithmically solvable. > > -- gil > > ---------------------------------------------------------------------- > 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
