Bif Taylor ist ein Charakter aus Bully und ein Mitglied der Preps. Er wurde von Andrew Rannells. Environment: iSeries i, i5/OS, RPG ILE, free format, BIF, Embedded SQL, DB2/, healingspiralwellness.comd Barcode Labeling, Hawkeye Pathfinder, ICS FormSprint. Novità della nuova edizione, tutto aggiornato all'ultima versione (): • Il nuovo RPG: le nuove istruzioni di definizione, BIF e supporto XML • Nuovi argomenti.
Bif TaylorThe %scan() bif accepts a 3 parameter - starting position. So you of a particular character in a string using RPG without embedded SQL?". For example, there is all the reference help you need to be able to use every op-code in RPG/ and RPGIV as well as mostly all of the built-in functions BIF. IBM i, AS Tutorial, iSeries, System i - Bif's used with pointers in RPG AS Bif's used with pointers in RPG AS - YouTube. Sam johnIBM i Classes.
Rpg Bif Content archive VideoCrash Course RPGLE - Part 10 - BIF in RPGLE - yusy4code ILE RPG Built-in-functions %ABS - Absolute Value of Expression %ADDR - Get Address of Variable %ALLOC - Allocate Storage %CHAR - Convert to Character Data %CHECK - Check Characters %CHECKR - Check Reverse %DATE - Convert to Date %DAYS - Number of Days %DEC - Convert to Packed Decimal Format %DECH - Convert to Packed Decimal Format with Half Adjust %DECPOS - . 12/12/ · Date and time math is simple with %DIFF. Written by Joe Pluta. This TechTip introduces you to the %DIFF BIF, a powerful function that allows you to find the difference between any two compatible date or time variables (including timestamps).Author: Joe Pluta. RPG IV - Built-in Functions through IBM i v The original release of RPG IV included a set of built-in functions. These built-in functions were: %ADDR, %PADDR, %SIZE, %ELEM, %SUBST, %TRIM, %TRIML, %TRIMR. In addition, under OS/ V3R2 and V3R7 the %PARMS built-in function was introduced. Since then, several built-in functions have been.
If there is no element that is equal to blank I would expect it to return zero in the variable i. I use the DSPLY Operation to display the value of i, line In lines 23 — 26 is the code I used for using the LOOKUP Operation code.
On line 25 the indicator 99 is in the equal position to indicate that this is a lookup equal. Again I display the value returned by the LOOKUP using the DSPLY Operation code, line I have to admit this freaked me out.
If I increased the array to 99 elements, see below, the having only 16 elements filled did not cause the problem as less than half the elements are filled.
Just in case this was an error caused by using the latest RPG, all free , I created a program with fixed definitions and compiled it for release V5R4M0.
I cannot compile for an earlier release as I only have access to IBM i with version 7. I found the same with that program too.
Code for this program is here. One interesting passage on this page states:. When the array is out of order, the result of a binary search is unpredictable.
How did I fix this problem? I initialized the array with the largest hexadecimal value, x'FF' , and as the next unused element would contain x'FF' I would check for that rather than blank.
Your basic problem Simon was that you lied to the compiler and when you do that all bets are off. Simply put, you told it the array was in sequence when it wasn't.
In such cases you can simply remove the "Ascend" keyword and you will get the same results as with LOOKUP. Another reason for doing this is that if there are duplicates in the array as you effectively have with blanks in this example even if you sort the array after adding a new value you will not necessarily get the same result.
I actually haven't tried this can't VPN into my system at my current location but I'm pretty darn certain your X'FF' solution will not always work.
When a binary search is executed you cannot guarantee which of a series of duplicates will be returned - you lucked out and got the first one, but normally you have to walk backwards through the array from the returned index to determine the first one.
I admit the example I gave in this post was very simple. I discovered this in a program I wrote where I had FETCH-ed 3, records from a file into a data structure array.
I was loading a subfile from the array. What I found became the basis for this post. These operate differently if the sort option is selected in the D spec.
Simple solution is to go out of free, use the C spec op code Lookup, and go back into free. This is if you have to maintain an existing program.
V7 can allow the sort based on a field in a DS. You may want to consider embedded SQL using cursors if you have the data in a database over a SQL view if it can be created.
As to getting something to really replace the opcodes that didn't make it, Barbara did lobby for some, like TAG, for the reason that there is no free-form way to specify the target of a WHENEVER.
But time and money and all that - you know the routine when doing development. The point of my last comments was to clear up something Paul Wren said - the question of using TESTN was not germaine - and the cautions are well-taken!
Vernon: Don't forget, I was there at the time. We knew about SQL's WHENEVER, but it wasn't considered a compelling enough reason to keep TAG.
If I recall correctly, I think the intention was to include a tag using a colon syntax at some point. But it would appear that that thought was forgotten somewhere along the way.
That would not be very difficult to implement. The MOVEx opcodes were excluded simply because they have goofy semantics. A lot of the old RPG opcodes sort of make sense but only if you understand the old instruction set.
Yeah, Hans - Barbara mentioned something about how the compiler reads things that makes some things unusable, I'll say - I forget the details, not important now, I suppose.
Something about the order of the keywords and all, and assumptions made around that.. Nice that they are gone, IMO. Vernon: First, there should be very little need for any of the opcodes excluded from free form calcs.
All old-style opcodes have alternatives. The next step in the evolution of RPG if there ever is to be one would be a fully free-form language, with all fixed form features fully deprecated.
They could start that process now with a compiler option, allowing statements starting in column 1, with no limit to line length.
In fact, the free-form calcs were initially designed with that eventual possibility in mind. I can understand the dislike of the need for the directives before free-form P, D, H, and F specs.
But they're free form now, so the vast majority of new programs won't even need the directives. Third, I know how the compiler works, I can't see any reason for not having a colon syntax for tags, like other programming languages.
You read an identifier, which you do anyways for any statement, then read the colon. You define the identifier as a tag name and move on.
I am now afraid spaghetti logic will prevail and ultimately kill RPG, with usage of not only MOVE, MOVEL etc but also GOTO.
On the other hand it has hastened my desire to shift to Java as I am now sure of RPGs demise before my retirement :.
Hassan, I can't disagree with you more. I don't know how having the eyesores helps prevent spaghetti code.
Personally, I want the code to flow, to be clean - and I will not often mix free-form and mixed-form - but I will when it helps me. I might put it into a subprocedure, however, to keep the flow smooth in the main processing area.
I in NO way am saying we should use GOTO and TAG and all that. Please do NOT even begin to think that. I do say that IF I do need a fixed-form statement, I can do it without the extra directives, which provide no help at all in reading the code, they only distract me.
If someone wants to write spaghetti code, they will - no matter what the language encourages. If you want to write nicely structured code in RPGLE, you can, just as you always have been able to.
I agree generally with Hans that there are free-form alternatives for the fixed-form opcodes that were excluded.
I will admit that at a previous, in old code, with rather "interesting" uses of MOVE and MOVEL, I was reluctant to change that to free-form - that was more a matter of the time it takes, and often there just wasn't time to be sure the result was the same.
Quality assurance matters, right? So Hassan, there is nothing in the new free-form that will encourage less-than-desirable programming practices.
Tell you what, get the PTFs when they are available - maybe by the 15th - try the thing out - if you want to keep using the directives, you can - just as you could put SR at the beginning of a BEGSR spec if you want, it is just ignored.
Vernon: Then you're missing the whole point of free-form calcs. And I'm rather surprised I need to make this point at all. The reason people use free-form calcs is so they can indent statements to properly show the structure of the code.
The advantage to indentation are so stunningly obvious that every programmer in every other language does it. However, if you mix free-form and fixed-form calcs, you lose that.
It's not a matter of spaghetti code. It's a matter of clarity. This was exactly why we wanted a speed bump a dozen years ago, to make it more difficult to mix fixed and free calcs.
By the way, I'm not advocating for the addition of the GOTO opcode to free-form calcs. However, with SQL's WHENEVER, there does seem to be a need for a tag in free-form calcs.
The one does not necessarily require the other. On the other hand, it's hard to argue against GOTO in a language that also has pointers, in my opinion.
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