R: R: R: Changing USRDTA on printfiles on the run...

Here it is: it was into the message too (i suppose).
Sincerely

Domenico Finucci
Fiditalia , Milano, 02- 4301-2494

IDENTIFICATION DIVISION.
***************************************************************
***************************************************************
*
* Program: List Spooled Files for Current User
*
* Language: ILE COBOL
*
* Description: This example shows the steps necessary to
* process keyed output from an API.
*
* APIs Used: QUSLSPL - List Spooled Files
* QUSCRTUS - Create User Space
* QUSPTRUS - Retrieve Pointer to User Space
*
***************************************************************
***************************************************************
*
PROGRAM-ID. LSTSPL.
ENVIRONMENT DIVISION.
CONFIGURATION SECTION.
SOURCE-COMPUTER. IBM-AS400.
OBJECT-COMPUTER. IBM-AS400.
INPUT-OUTPUT SECTION.
FILE-CONTROL.
SELECT LISTING ASSIGN TO PRINTER-QPRINT
ORGANIZATION IS SEQUENTIAL.
DATA DIVISION.
FILE SECTION.
FD LISTING RECORD CONTAINS 132 CHARACTERS
LABEL RECORDS ARE STANDARD
DATA RECORD IS LIST-LINE.
01 LIST-LINE PIC X(132).
*
WORKING-STORAGE SECTION.
*
* Error Code parameter include. As this sample program
* uses COPY to include the error code structure, only the first
* 16 bytes of the error code structure are available. If the
* application program needs to access the variable length
* exception data for the error, the developer should physically
* copy the QSYSINC include and modify the copied include to
* define additional storage for the exception data.
*
COPY QUSEC OF QSYSINC-QLBLSRC.
*
* Listing text
*
01 PRTLIN.
05 PRTFIL PIC X(10).
05 FILLER PIC X(05).
05 PAGES PIC S9(09).
05 FILLER PIC X(05).
B-38 System API Programming V4R1
05 OPNDAT PIC X(07).
01 LSTERR.
05 TEXT1 PIC X(22) VALUE "List data not valid".
01 HDRERR.
05 TEXT2 PIC X(22) VALUE "Unknown Generic Header".
*
01 MISC.
05 SPC-NAME PIC X(20) VALUE "SPCNAME QTEMP ".
05 SPC-SIZE PIC S9(09) VALUE 2000 BINARY. 
05 SPC-INIT PIC X(01) VALUE X"00".
05 SPCPTR POINTER.
05 SPC-TYPE PIC X(10) VALUE "*USRSPC".
05 EXT-ATTR PIC X(10) VALUE "QUSLSPL ". 
05 SPC-AUT PIC X(10) VALUE "*ALL".
05 SPC-TEXT PIC X(50).
05 SPC-REPLAC PIC X(10) VALUE "*YES".
05 SPC-DOMAIN PIC X(10) VALUE "*USER".
05 LST-FORMAT-NAME PIC X(08) VALUE "SPLF0200". 
05 USR-PRF PIC X(10) VALUE "*CURRENT ".
05 OUTQ PIC X(20) VALUE "*ALL".
05 FORMTYP PIC X(10) VALUE "*ALL".
05 USRDTA PIC X(10) VALUE "*ALL".
05 JOBNAM PIC X(26).
01 KEYS. .7/
05 KEY1 PIC S9(09) BINARY VALUE 201. 
05 KEY2 PIC S9(09) BINARY VALUE 216.
05 KEY3 PIC S9(09) BINARY VALUE 211.
01 NUMBER-OF-KEYS PIC S9(09) BINARY VALUE 3.
01 MISC2.
05 PAGESA PIC X(04).
05 PAGESN REDEFINES PAGESA
PIC S9(09) BINARY.
*
LINKAGE SECTION.
*
* String to map User Space offsets into
*
01 STRING-SPACE PIC X(32000).
*
* User Space Generic Header include. These includes will be
* mapped over a User Space.
*
COPY QUSGEN OF QSYSINC-QLBLSRC. .
*
* List Spool Files API include. These includes will be
* mapped over a User Space. The include is copied into the
* source so that we can define the variable length portion
* of QUS-LSPL-KEY-INFO.
*
01 QUS-LSPL-KEY-INFO.
05 LEN-FIELD-INFO-RETD PIC S9(00009) BINARY.
05 KEY-FIELD-FOR-FIELD-RETD PIC S9(00009) BINARY.
05 TYPE-OF-DATA PIC X(00001).
05 RESERV3 PIC X(00003).
05 DATA-LENGTH PIC S9(00009) BINARY.
05 DATA-FIELD PIC X(00100).
*
* Varying length
* 05 RESERVED PIC X(00001).
*
* Varying length
01 QUS-SPLF0200.
05 NUM-FIELDS-RETD PIC S9(00009) BINARY.
05 KEY-INFO.
09 LEN-FIELD-INFO-RETD PIC S9(00009) BINARY.
09 KEY-FIELD-FOR-FIELD-RETD PIC S9(00009) BINARY.
09 TYPE-OF-DATA PIC X(00001).
09 RESERV3 PIC X(00003).
09 DATA-LENGTH PIC S9(00009) BINARY.
09 DATA-FIELD PIC X(00001).
09 RESERVED PIC X(00001).
*
* Varying length
*
*
* Beginning of mainline
*
PROCEDURE DIVISION.
MAIN-LINE.
*
* Open LISTING file
*
OPEN OUTPUT LISTING.
*
* Set Error Code structure to use exceptions
*
MOVE 0 TO BYTES-PROVIDED OF QUS-EC. 
*
* Create a User Space for the List generated by QUSLSPL
*
CALL "QUSCRTUS" USING SPC-NAME, EXT-ATTR, SPC-SIZE, 
SPC-INIT, SPC-AUT, SPC-TEXT,
SPC-REPLAC, QUS-EC, SPC-DOMAIN
*
* Call QUSLSPL to get all spooled files for *CURRENT user
*
CALL "QUSLSPL" USING SPC-NAME, LST-FORMAT-NAME, USR-PRF, 
OUTQ, FORMTYP, USRDTA, QUS-EC,
JOBNAM, KEYS, NUMBER-OF-KEYS. 
*
* Get a resolved pointer to the User Space for performance
*
CALL "QUSPTRUS" USING SPC-NAME, SPCPTR, QUS-EC. 
*
* If valid information was returned
*
SET ADDRESS OF QUS-GENERIC-HEADER-0100 TO SPCPTR.
IF STRUCTURE-RELEASE-LEVEL OF QUS-GENERIC-HEADER-0100 
NOT EQUAL "0100" WRITE LIST-LINE FROM HDRERR, 
STOP RUN.
IF (INFORMATION-STATUS OF QUS-GENERIC-HEADER-0100 = "C" 
OR INFORMATION-STATUS OF QUS-GENERIC-HEADER-0100 = "P")
AND NUMBER-LIST-ENTRIES OF QUS-GENERIC-HEADER-0100 > 0 
*

* address current list entry
*
SET ADDRESS OF STRING-SPACE TO SPCPTR,
SET ADDRESS OF QUS-SPLF0200 TO
ADDRESS OF STRING-SPACE((OFFSET-LIST-DATA
OF QUS-GENERIC-HEADER-0100 + 1):1), .18/
*
* and process all of the entries
*
PERFORM PROCES
NUMBER-LIST-ENTRIES OF QUS-GENERIC-HEADER-0100 TIMES,
ELSE
WRITE LIST-LINE FROM LSTERR. 
STOP RUN.
*****************************************************************
PROCES.
*
* address the first variable length record for this entry
*
SET ADDRESS OF QUS-LSPL-KEY-INFO TO ADDRESS OF
QUS-SPLF0200(5:).
*
* process all variable length records associated with this entry
*
PERFORM PROCES2 NUM-FIELDS-RETD TIMES.
WRITE LIST-LINE FROM PRTLIN.
*
* after each entry, increment to the next entry
*
SET ADDRESS OF STRING-SPACE TO ADDRESS OF QUS-SPLF0200.
SET ADDRESS OF QUS-SPLF0200 TO ADDRESS OF STRING-SPACE
((SIZE-EACH-ENTRY OF QUS-GENERIC-HEADER-0100 + 1):1).
*
* Process each variable length record based on key
*
PROCES2.
*
* extract spooled file name for report
*
IF KEY-FIELD-FOR-FIELD-RETD OF QUS-LSPL-KEY-INFO = 201 
MOVE SPACES TO PRTFIL,
MOVE DATA-FIELD OF QUS-LSPL-KEY-INFO(
1:DATA-LENGTH OF QUS-LSPL-KEY-INFO)
TO PRTFIL.
*
* extract number of pages for report
*
IF KEY-FIELD-FOR-FIELD-RETD OF QUS-LSPL-KEY-INFO = 211 
MOVE DATA-FIELD OF QUS-LSPL-KEY-INFO(
1:DATA-LENGTH OF QUS-LSPL-KEY-INFO)
TO PAGESA,
MOVE PAGESN TO PAGES.
*
*
IF KEY-FIELD-FOR-FIELD-RETD OF QUS-LSPL-KEY-INFO = 216 
MOVE SPACES TO OPNDAT,
MOVE DATA-FIELD OF QUS-LSPL-KEY-INFO(
1:DATA-LENGTH OF QUS-LSPL-KEY-INFO)
TO OPNDAT.
*
* address next variable length entry
*
SET ADDRESS OF STRING-SPACE TO ADDRESS OF QUS-LSPL-KEY-INFO.
SET ADDRESS OF QUS-LSPL-KEY-INFO TO ADDRESS OF
STRING-SPACE(
LEN-FIELD-INFO-RETD OF QUS-LSPL-KEY-INFO + 1:1).