Executing CLISTs. To execute a CLIST, use the EXEC command. From an ISPF command line, type TSO in front of the command. In TSO/E EDIT or TEST mode. This tutorial describes methods by which you can executed CLIST on your mainframe installations. The CLIST language enables you to work more efficiently with TSO/E. You can write programs, called CLISTs, that perform given tasks or.
|Published (Last):||4 April 2005|
|PDF File Size:||20.32 Mb|
|ePub File Size:||13.97 Mb|
|Price:||Free* [*Free Regsitration Required]|
Without parentheses to change the order, exponentiation is done first, then multiplication and division, then addition and subtraction again, like real math. The label has to have an actual statement on the same line right after the label or, of course, on the following line if the first line ends with a plus or a minus continuation character after the colon.
You just press enter whenever TSO displays the clisy line. Academy of Technology Centers for Advanced Studies: The difference in run time is so stunning you can detect it without measuring it.
IBM mainframe operating systems Procedural programming languages Command shells Text-oriented programming languages Scripting languages Programming language topic stubs Mainframe computer stubs.
It is basically a list of other TSO commands. The default, CAPS, causes character strings to be converted to uppercase. The JCL is more or less correct. Do the following instead: For mainfframe, from the ISPF command line, a user might say:.
For example, the following lines could be used as an awkward method for writing the word South: You can help Wikipedia by expanding it. For example, from the ISPF command line, a user might say: If the Command field is already occupieddo the following otherwise skip this paragraph. Please be accurate in your questions if you want good answers.
In other words, the cursor remains at the end of the line, right after whatever is written, making it look as though it is waiting for input. As usual you do not need to take my word for this.
What is a CLIST?
Comparisons are done after the math has been evaluated. It can read parameters from im caller and also features a function to hold global variables and pass them between CLISTs. Click the “Search for all terms”.
Look down near the bottom of that screen. This, too, is just what it looks like. You can also still specify optional parameters following after the required parameters if you wish. End of Digression on setting Cut-and-paste keys. Palmisano — Ginni Rometty —present. On the next few lines put something super simple like — well, like the lines shown below.
A program written in a compiled language is translated once to create a “load module” or executable. Some of the features you can specify, and their meanings, are: Save the member and again execute it, from the command line right there in Edit:.
Links to IBM doc: Amend the DSN so the member name is in parentheses: Caveat — right, always with the caveats — and this one is pretty unlikely, so feel free to skip this paragraph — there are some special command tables that are probably not being used at your location, but possibly might be — there’s a slight chance — and in such command tables the person responsible for their setup can set it up such that command XYZ is only valid if it comes from some particular source or is invoked in some particular way.
If you get any other response, then it probably found something called XYZ and tried to execute it, and you should pick a different name.
Get it, C List, where C stands for Command. Instead of specifying zero, you specify the number of required parameters, followed by their parameter names.
CLIST – Wikipedia
You use these to read input ih the user and write lines to the screen, as already shown. Again you enclose the name within apostrophes because it includes your userid at the first part of the name. With the new DSN on the screen, and having Allocate selected as your chosen action, you press the enter key again.
Go ahead and try it for yourself. Capture that new DSN in your cut-and-paste clipboard, for later use. REUSE is also an extension to the original syntax.
It is left as an exercise for the reader to locate the other vowels in the alphabet; or just pretend you did, and keep reading. CICS program with Delay question.
IBM MAINFRAME & MVS FORUM
Retrieved 12 May The following lines would find the positions of the first three vowels in the clisy. So if you use parentheses, it reduces the chance that someone updating your CLIST in the future will mess up the calculation.
Getting Input from the User: This mainframe computer -related article is a stub. The following lines would find the positions of the first three vowels in the alphabet: