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DBpedia 2014

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Matches in DBpedia 2014 for { ?s ?p CLIST (Command List) (pronounced "C-List") is a procedural programming language for TSO in MVS systems. It originated in OS/360 Release 20 and has assumed a secondary role since the availability of Rexx in TSO/E Version 2.In its basic form, a CLIST program (or "CLIST" for short) can take the form of a simple list of commands to be executed in strict sequence (like a DOS batch file (*.bat) file). However, CLIST also features If-Then-Else logic as well as loop constructs.CLIST is an interpreted language. That is, the computer must translate a CLIST every time the program is executed. CLISTs therefore tend to be slower than programs written in compiled languages such as COBOL, FORTRAN, or PL/1. (A program written in a compiled language is translated once to create a "load module" or executable.)CLIST can read/write MVS files and read/write from/to a TSO terminal. It can read parameters from the caller and also features a function to hold global variables and pass them between CLISTs. A CLIST can also call an MVS application program (written in COBOL or PL/I, for example). CLISTs can be run in background (by running JCL which executes the TSO control program (IKJEFT01)). TSO I/O screens and menus using ISPF dialog services can be displayed by CLISTs. Compare the function of CLIST with that provided by REXX.Example program:PROC 0WRITE HELLO WORLD!Adding If-Then-Else logic: /********************************************************************/ /* MULTI-LINGUAL "HELLO WORLD" PROGRAM. */ /* */ /* THIS CLIST, STORED AS USERID.TSO.CLIST(TEST), CAN BE INVOKED */ /* FROM THE ISPF COMMAND LINE AS SHOWN IN THE FOLLOWING EXAMPLE: */ /* */ /* COMMAND ===> TSO TEST SPANISH */ /* */ /********************************************************************/ PROC 1 LANGUAGE IF &LANGUAGE = SPANISH THEN + WRITE HOLA, MUNDO ELSE IF &LANGUAGE = FRENCH THEN + WRITE BONJOUR, MONDE ELSE + WRITE HELLO, WORLD EXITNote:-Here PROC is treated as a separate routine.. }

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