NET/MASTER Network Control Language (NCL) Programmer's Guide
The ASSIGN and DROP Verbs
Working With Mapping Services
10–48 106160 Tandem Computers Incorporated
After following the steps outlined earlier in this section to type this NCL procedure
and install it as your active MSGPROC procedure, execute the ZEX1002N NCL
procedure to send a message to your OCS window. The following screen shows the
results of executing ZEX1002N with MSGPROC active:
 (07:53) --------------------- OPERATOR CONTROL SERVICES ----------------------
 PROFILE MSGPROC=ZEX1021N
 NNM0393 MSGPROC PROCESSING ACTIVATED
 NNM0357 PROFILE HAS CHANGED
 START ZEX1002N
 TEST An OPER NRD message
 Elements under &$MSG. are
 TEXT
 MSGATTR
 SOURCE
 NNM1005 START ZEX1002N PROCESSING COMPLETE. NCLID 001061
 _____________________________________________________________________________
 ---------- ------------------ NonStop NET/MASTER D30 ---------------- --------
 M=>
Obtaining Field Names in an MDO Variable
You can obtain the names of the fields present in an MDO variable at the specified
level using the following syntax of the ASSIGN verb:
ASSIGN OPT=MDOFIELDS
 { ARGS [ RANGE=(
 start
,
end
 ) ] |
 VARS={ 
output-vars-list
 | 
variable
* }
 [ RANGE=( 
start
,
end
 ) ] }
 FROM
 MDO=
variable-name
Only the names of those fields present within the specified MDO variable are
returned.










