/* REXX       POPUTBL     Populate the USERTBL for FINDLIBS from the
                          USER table from ALLUSERS.

*/ arg argline                         /* pro-forma quick-start      */
address TSO
arg parms "((" opts
opts = Strip(opts,"T",")")
parse var opts "TRACE"  tv  .
parse value tv "N"  with  tv .
rc = Trace("O"); rc = Trace(tv)

isptlib = "'fclarke.personal.isptlib'"
@tn@    = "USER"
address ISPEXEC
   "LIBDEF  ISPTLIB  DATASET  ID("isptlib")  STACK"
   "TBSTATS" @tn@ "STATUS1(s1) STATUS2(s2)"
   if s1 > 1 then do
      zerrsm = "Table" @tn@ "not available."
      say   zerrsm
      zerrlm = "Table" @tn@ "not found in the ISPTLIB library chain"
      "SETMSG  MSG(ISRZ002)"
      sw.0error_found = "1"; return
      end; else,
   if s2 = 1 then do                   /* table is not open          */
      "TBOPEN "   @tn@   "NOWRITE"
      if rc > 4 then do
         sw.0error_found = 1
         zerrsm = "Table did not OPEN"
         zerrlm = "Table" @tn@ "cannot be opened due to prior",
                  "enqueues."
         "SETMSG  MSG(ISRZ002)"
         end
      end
   else "TBTOP" @tn@

address TSO "NEWSTACK"
   do forever
      "TBSKIP" @tn@
      if rc > 0 then leave
      queue suuser
   end                                 /* forever                    */
rc = Trace("O"); rc = Trace(tv)
   "TBEND" @tn@

@tn@    = "UTBL"

   "TBSTATS" @tn@ "STATUS1(s1) STATUS2(s2)"
   if s1 > 1 then do
      zerrsm = "Table" @tn@ "not available."
      say   zerrsm
      zerrlm = "Table" @tn@ "not found in the ISPTLIB library chain"
      "SETMSG  MSG(ISRZ002)"
      sw.0error_found = "1"; return
      end; else,
   if s2 = 1 then do                   /* table is not open          */
      "TBOPEN "   @tn@   "WRITE "
      if rc > 4 then do
         sw.0error_found = 1
         zerrsm = "Table did not OPEN"
         zerrlm = "Table" @tn@ "cannot be opened due to prior",
                  "enqueues."
         "SETMSG  MSG(ISRZ002)"
         end
      end
   else "TBTOP" @tn@
   "LIBDEF  ISPTLIB"
   "TBSORT" @tn@ "FIELDS( USERID,C,A )"

rc = Trace("O"); rc = Trace(tv)

   do queued()
      pull userid
      "TBMOD" @tn@ "ORDER"
   end                                 /* queued                     */
rc = Trace("O"); rc = Trace(tv)
   "TBCLOSE" @tn@
address TSO "DELSTACK"

exit                                   /*@ POPUTBL                   */