Perform verb in COBOL is used to execute a set of COBOL statements. There are some set of statements in a program that needs to be executed repeatedly, such as reading each record of a file up to its end. The statements in the program are running in a series until or unless if any ...
Inline Perform: It performs a set of Cobol statements between Perform & END-Perform. Basically this is to keep a particular logic in a boundary and execute it in a loop or number of times or execute depending upon a condition. This is useful if that set of code is only used once in t...
Exemplary software programs include programs written in text-based programming languages, such as C, C++, PASCAL, FORTRAN, COBOL, JAVA, assembly language, etc.; graphical programs (programs written in graphical programming languages); assembly language programs; programs that have been compiled to ...
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Many different high level programming languages exist, including BASIC, C, FORTRAN, Pascal, COBOL, ADA, APL, etc. Programs written in these high level languages are translated to the machine language level by translators known as compilers. The high level programming languages in this level, as ...
以前的COBOL语言的PERFORM语句只能执行别处的程序段(循环体),但现在的COBOL语言提供了所谓的内置(In-Line)PERFORM语句,这样,要执行的程序段(循环体)就在PERFORM语句本身中。这时,PERFORM语句必须以END-PERFORM结束,要执行的程序段或循环体直接写在PERFORM和END-PERFORM之间,下面是一个内置PERFORM的例子。
Exemplary software programs include programs written in text-based programming languages, such as C, C++, PASCAL, FORTRAN, COBOL, JAVA, assembly language, etc.; graphical programs (programs written in graphical programming languages); assembly language programs; programs that have been compiled to ...