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1. If my rpg program has a date field, What extra care I
have to take while compiling that RPG program?
2. If the file is keyed and I have declared the file as well
as Key list properly in my program. Still am getting an
error message like "Chain/reade operation is not allowed"
What may be the case?
- 6 Answers
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Answer / praveen ravuri
we have mention to the 'k' field in the f spec
| Is This Answer Correct ? | 10 Yes | 1 No |
Answer / murali
Compile the pgm with CVTOPT *DATETIME. This will allow dates lesser than 01/01/1940.
Record address type shud be K to tell the compiler to access the file in keyed sequence.
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / arvind
format of variable, length of variable should be date and sep(-/).should be define
extra key "A"
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / vivek
Program actually works when we not use K IN F SPEC. have tested then posted
| Is This Answer Correct ? | 0 Yes | 0 No |
I want my simple Green screen should refersh every 1 min ,How can I do it..? Please share the logic
can you debug ile rpg program using isdb?
How can i check the object existance in RPG program without using QCMDEXC command.
how to display all the members records in a physical file without using ovrdbf?
how do u track msg in cl pgm???
1.The questions have given an array declaration and move operation then this statement is correct or not?
WHAT IS MEANT BY SIGNATURE VAILOTION ERROR
how to change the length of the field in a physicalfile?
i have a file with the values 10, 20, 30, 40, if am setll with the value 25 then readp, so what it will return?
if i have three programs progA,progB and progC .now i call progB from progA. but the progB does not exist . now i want to call progC instead of starting dump. how can we achieve this.
Can we possible to key with the date field?
RETRIVING DELETED RECORDS :- I'm frequently asked how to retrieve deleted records from an unjournaled physical file when the deleted records have not yet been removed from the file. Utility UNDEL lets you undelete records in a physical file. This public domain program is available in CISC and RISC versions, and the complete source code is available for download at: UNDEL for AS/400 Save File (RISC): http://www.as400network.com/sharewarefiles/undelris.zip UNDEL for AS/400 Save File (CISC): http://www.as400network.com/sharewarefiles/undel.zip UNDEL for AS/400 Save File (Source code): http://www.as400network.com/sharewarefiles/undelsrc.zip The utility takes advantage of the fact that deleted records in physical files are only flagged as deleted, and the record data still exists until it is overwritten or the file is reorganized with a utility such as RGZPFM. UNDEL simply reads the deleted record, then reuses the record by writing over it with the new record (thus eliminating the flag for the deleted record). Some homegrown and commercial utilities copy the file containing undeleted records to a save file, then use a program to read the save file, which contains live and undeleted records, to a file to undelete the records. The UNDEL utility is superior to the SAVF technique because there's no need to copy the file to a save file, which is especially important for really large files. When run, UNDEL displays the physical file records in their unformatted, raw text form. You can either position the display to a given relative record number or use F19 or F20 to find the previous and next deleted record, respectively. The utility also includes online help, which is almost unheard of for free utilities. Other utilities include the ability to undelete records. You can use the RTVDLTRCD command in the old QUSRTOOL (no longer supported by IBM). QUSRTOOL is now a commercial product called TAA Productivity Tools ( http://www.taatool.com ). The free file editor WRKDBF has a built-in undelete capability ( http://www.wrkdbf.com ), and several commercial file editors can undelete records. For a complete list of file editors, go to http://www.sourcebook400.com, select "Programmer Tools" under "Product Category," then select "File Editors."
RPG400 
