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Page 65 of 71

3201. Be Careful Using the FREE Op Code
(RPG)
...  A programmer used the FREE op code to close down an RPG program, removing the program from memory but not closing the open data paths (ODPs) for the files. The program with the FREE op code was called ...
Created on 31 January 1995
3202. Changing Field Attributes
(RPG)
Normally, if you change a display file field from input/output to output only, your input buffer will change and you will need to recompile your program. A quick way to change fields to disallow input ...
Created on 31 January 1995
3203. Disappearing DDS Window Screens
(RPG)
... window. If you call an external RPG program that displays a window over a previously displayed screen format, the screen displayed by the preceding program blank out before the window is displayed. This ...
Created on 31 January 1995
3204. Multiformat Files
(RPG)
From: Ricky Thompson To: All Has anyone out there converted S/36 multiformat files to native AS/400 externally described files? We have our order entry file in two different formats. The first line, line ...
Created on 31 January 1995
3205. ILE CL
(CL)
... beginning to emerge, such as the long-awaited ILE RPG/400 and the soon-to-be-released ILE COBOL/400. But, without much fanfare, IBM has also rolled out another ILE language-ILE CL. ILE CL is a significant ...
Created on 31 January 1995
3206. The Display Audit Log (DSPAUDLOG) Command
(IBM i (OS/400, i5/OS))
... entries in the current journal receiver. Source Members INFO: DSPAUDLOG (QATTINFO) CDO: TAASECM (QATTCMD) CPP: TAASECMC (QATTCL) CLP: TAASECMC2 (QATTCL) RPG: TAASECMR (QATTRPG) Jim Hoopes is a senior ...
Created on 31 January 1995
3207. I/O Speed Demons
(System Administration)
... operation instead of a disk operation. Replace the random reads (RPG CHAIN) with array lookups. Read the entire department master file into an array at program initialization. Then, instead of chaining ...
Created on 31 January 1995
3208. Multidimensional Array Conversions
(General)
RPG lacks one feature that other languages have had for a long time- multidimensional arrays. If you need them, you can use single-dimensional arrays instead. The trick is to convert the multidimensional ...
Created on 31 January 1995
3209. The Check Power Off Schedule (CHKPWRSCD) Utility
(IT Infrastructure - Other)
... + PROMPT('Return Code:') PARM KWD(HOURS) TYPE(*DEC) LEN(2 0) + PROMPT('Number of hours to + Check for:') The Check Power Off Schedule (CHKPWRSCD) Utility Figure 2 RPG Command Processing Program PWR001RG ...
Created on 31 January 1995
3210. AS/400 Basics: PDM's User-defined Option
(IBM i (OS/400, i5/OS))
... an RPG program in batch and produces an indented listing. These are just a few user-defined options that I find useful; I'm sure you can come up with many more on your own. Customized Time-savers  ...
Created on 31 December 1994
3211. Duplicate Record WRITE Performance
(RPG)
Recently, I had to use an RPG program to write records from one file to another. The file I was writing to didn't allow duplicate records, but the file I was reading from did. I wrote my program, coding ...
Created on 31 December 1994
3212. Matching Field Names
(RPG)
Wouldn't life be easier if the field names on the display file matched the field names in the physical file? To display the values in the database using RPG, the program would simply CHAIN to the file before ...
Created on 31 December 1994
3213. Passing Parameters with the SBMJOB Command
(CL)
... defines entry parameters of the same type and length as the calling program. For instance, if PGMB is written in RPG, PGMB receives the parameters in the following way: *7890123456789012345678901234567890123456789012345 ...
Created on 31 December 1994
3214. Show File Keys Utility
(CL)
... * To compile: * * CRTRPGPGM PGM(XXX/KEY002RG) SRCFILE(XXX/QRPGSRC) * *=============================================================== *. 1 ...+... 2 ...+... 3 ...+... 4 ...+... 5 ...+... 6 ...+... 7 FQAFDACCPIP ...
Created on 31 December 1994
3215. V3R1 Security Enhancements
(IBM i (OS/400, i5/OS))
...  */ /* */ /* CRTCLPGM PGM(XXX/CHGUSRPGP) SRCFILE(XXX/QCLSRC) */ /*  ...
Created on 31 December 1994
3216. Handling File and Data Area Record Locks
(Business Intelligence)
... (the typical user idea) cancels the job. Instead of changing the maximum record wait time on all files, why not change the default reply from Cancel to Retry? CHGMSGD MSGID(RPG1218) + MSGF(QRPGMSGE) ...
Created on 30 November 1994
3217. Enhancing the Performance of Interactive Programs
(RPG)
... has grown much more powerful on the AS/400 because of the changes IBM has made to RPG in the past several years. First of all, you should open a file only if you intend to use it. As you see in 1, by ...
Created on 30 November 1994
3218. Closing Files at Program End
(RPG)
From: Mike Grawl To: All It was my understanding that when an RPG program ended with *INLR on, all files would be closed. Here is what happened. Program A is interactive and ends with *INLR on; program ...
Created on 30 November 1994
3219. Search Deletions
(RPG)
You're probably familiar with the DELET op code in RPG, but you may not know that you can place a key or relative record number in factor 1, the search argument. If the system finds duplicate records, the ...
Created on 30 November 1994
3220. Lab Notes: Improve Performance of Group Processing
(System Administration)
... (e.g., the use of arrays to accumulate by group). Loading an array for this type of work was described in "The Truth About RPG Performance Coding Techniques," MC, September 1993. The fastest solution shown ...
Created on 30 November 1994
3221. IBM's AS/400 Strategy: The Next Three Year
(Analysis of News Events)
... include a C++ compiler and VisualAge. In a certain sense, the development tools also include traditional languages such as RPG and COBOL. IBM will provide facilities that let RPG, COBOL, and objects created ...
Created on 30 November 1994
3222. The Duplicate Message Description (DUPMSGD) Comman
(CL)
...  Source Members INFO: DUPMSGD (QATTINFO) CDO: TAAMSGJ (QATTCMD) CPP: TAAMSGJC (QATTCL) RPG: TAAMSGJR (QATTRPG) These tools are documented in Midrange Computing's QUSRTOOL Command Reference. The manual ...
Created on 31 October 1994
3223. Randomly Picking Numbers
(CL)
... kicking around a few ideas, but I figure someone else has already done this. We write our programs in RPG and CL. From: Dave Shaw To: Ricky Thompson In QUSRTOOL there is a tool called GENRANNBR that ...
Created on 31 October 1994
3224. Object Reference Utility
(Change Management)
...  The DSPOBJREF command (see 6) displays the records from the OBJRFPF file using a subfile defined in display file OBJ013DF (see 7). RPG program OBJ013RG (see 8, page 52) reads the OBJRFPF file and loads ...
Created on 31 October 1994
3225. TechTalk: Using SETLL to Search Mixed-case Strings
(RPG)
Q: I have an RPG program in which I use a key as my search argument to set lower limits (SETLL) to a file based on user input. I then do a read to load my records into a subfile. How can I make the SETLL ...
Created on 30 September 1994
3226. Modifying OS/400 Commands
(CL)
... your investigation. Modifying the sample programs to work with commands other than CHGJOB will require RPG programming skills and investigation of the specific command you want to modify. Since each OS/400 ...
Created on 30 September 1994
3227. Control Files in Shared Folders
(CL)
... path/file to be checked out, the target folder to receive a copy of the file passed in parameter one, and a data queue name. F001RG: RPG program used to maintain the checked out files (CKOFILES) database ...
Created on 30 September 1994
3228. Unlocking the Secrets of Version 3 Software Pricin
(Analysis of News Events)
... AS/400 PL/1 5763-PL1 Graduated AS/400 Pascal 5763-PS1 Graduated Performance Tools/400 5763-PT1 Graduated Application Development ToolSet/400 5763-PW1 Graduated ILE RPG/400 5763-RG1 Graduated Neural Network ...
Created on 30 September 1994
3229. Array Screen Fields
(RPG)
... buffer as an array of quantities in the RPG program that controls the display file. The code I'm using looks similar to the code in 1. Q: I have a display screen which consists of input/output fields for ...
Created on 31 August 1994
3230. Cursor-sensitive Searches
(RPG)
Q: I have started programming my interactive programs with cursor-sensitive searches. If the user presses a function key to perform a search, I calculate the location of the cursor. If it falls within ...
Created on 31 August 1994
3231. Easy Access to Message Subfile Messages
(RPG)
Q: My application uses a display record format with I/O fields in which errors could occur, based on the data entered in those fields. When one or more errors occurs, the message subfile displays the errors ...
Created on 31 August 1994
3232. The Work with Command Stack Utility
(CL)
... The command processing program (CPP) which creates physical file CMD007PF and user space CMD007US in library QTEMP and then calls RPG program CMD007RG. CMD007RG: An RPG program which retrieves commands ...
Created on 31 August 1994
3233. Selective Command Prompting
(CL)
... a task. For example, let's say you frequently use the Create RPG Program (CRTRPGPGM) command. Besides the program name and source file parameters, you would like to be prompted for the ignore decimal data ...
Created on 31 August 1994
3234. The Retrieve User Space Tools
(CL)
...  Retrieving entries from a user space is usually done from within a high-level language such as RPG or COBOL. This works well when you want to use the information to display a subfile or produce a report. ...
Created on 31 August 1994
3235. V3R1 Follow-up: An Introduction to Program Binding
(IBM i (OS/400, i5/OS))
... or announced for C, RPG, COBOL, and CL. For the majority of users, the significance of ILE will not be realized until the general availability of ILE RPG, concurrent with V3R1 later this year. This article ...
Created on 31 July 1994
3236. Date Entry Fields
(RPG)
... A DSPSIZ(24 80 *DS3) A CA03(03) A R DSP01 A MM 2Y 0B 4 10 A DD 2Y 0B 4 13 A YY 2Y 0B 4 16 A R DSP02 A CLRL(*NO) A MMDDYY 6Y 0O 4 10EDTCDE(Y) A DSPATR(UL) Date Entry Fields Figure 6 RPG Program XMS003RG ...
Created on 31 July 1994
3237. Opening/Closing Files in CL
(CL)
... I've found (ugly, but it works) is to put the reads in a separate CL (or RPG) program and then call it from the main program. If you do that, you can eliminate the open and close, because they're done implicitly. ...
Created on 31 July 1994
3238. Message Queue Housekeeper
(CL)
... create the command source member (CLROBSMSG) listed in 1, the CL program (OBS001CL) in 2 and the RPG program OBS001RG in 3. Compile the source members according to the instructions at the beginning of ...
Created on 31 July 1994
3239. Creating Client/Server Applications with ODBS
(General)
... anyone who is unfamiliar with event-driven GUI programming, "Visual Development Tools for RPG," MC, May 1994, covers many of the basic concepts.) In 4, we have labeled each control of our form with a letter ...
Created on 31 July 1994
3240. Retrieving Four-digit Job Date
(General)
... The *ISO format is YYYY-MM-DD. Is there a way I can retrieve the current year in a four-digit form? A: The RPG special word *DATE returns the job date in your job's date format with a four-digit year. ...
Created on 31 July 1994
3241. Overriding Compile Listing Attributes
(General)
Both the Create RPG/400 Program (CRTRPGPGM) and the Create COBOL Program (CRTCBLPGM) commands have a PRTFILE parameter. This parameter allows you to specify the name of the printer file you want the compiler ...
Created on 31 July 1994
3242. UIM List Panels
(RPG)
... passes control to the CL program PNL002CL shown in 3. If the library exists, PNL002CL calls the RPG program PNL002RG shown in 4. The command definition for the WRKPF command is shown in Figure 2. This ...
Created on 30 June 1994
3243. Strip Leading Zeros
(RPG)
... except to provide a place to define the field. Since its value is never altered, it might be better if BLANKS were a constant field. Also, its length should be extended to 30 bytes since RPG can handle ...
Created on 30 June 1994
3244. Correction: Numbers-to-Words Program (May 94)
(RPG)
In the May 1994 TechTalk, we published an RPG program (CVT001RG) that converts a numeric value to words for check writing. It accepts an eight-digit numeric value with two decimal positions (maximum value ...
Created on 30 June 1994
3245. Sending Files with SNADS
(General)
... a library other than the one you intended. For example, 2 shows that we're receiving an RPG source member for file QRPGSRC. With option 1, the library list is used to locate the first occurrence of file ...
Created on 30 June 1994
3246. LOCKMSG Tool for COBOL
(General)
... a technique for using the LOCKMSG in RPG. Unfortunately for COBOL programmers, it doesn't describe how to use the tool in COBOL. In fact, it states "The same technique cannot be used in COBOL." I was convinced ...
Created on 30 June 1994
3247. Creating Subfiles with SDA
(RPG)
... at the top of the source code. The Subfile in Action If you want to see your new display file run, I have provided a short RPG program shown in 7 which you can use. Here's how the program works. First, ...
Created on 31 May 1994
3248. Indicatorless Function Keys
(RPG)
... the worst part of programming an IBM midrange computer is using indicators. With RPG, COBOL, C or even CL, indicators are still the only way of communicating certain attributes to a display or printer ...
Created on 31 May 1994
3249. Screen Edit Codes/Words
(RPG)
From: Randy Ward To: All I'm a little confused regarding the use of edit codes and edit words with screen fields that are both input and output. I'm writing a payroll entry program that has several numeric ...
Created on 31 May 1994
3250. Program Messages and DDS Windows
(RPG)
Q: I have written a couple of programs using the DDS WINDOW keyword. I enjoy its ease of use and flexibility; however, I can't get my program-controlled messages to appear in the last line of the window. ...
Created on 31 May 1994