BATCH SCRIPTING// FUNCTIONS IN BATCH SCRIPT // Batch Scripting Part -20- FUNCTIONS скачать в хорошем качестве

BATCH SCRIPTING// FUNCTIONS IN BATCH SCRIPT // Batch Scripting Part -20- FUNCTIONS

Go and check out course on Udemy for PowerShell: https://www.udemy.com/course/powershe... ******************************************************************************************** Title: BATCH SCRIPTING// FUNCTIONS IN BATCH SCRIPT // Batch Scripting Part 20 FUNCTIONS In this lesson, you will be learning about FUNCTIONS IN BATCH SCRIPT . FUNCTION: A function is a set of statements organized together to perform a specific task. In batch scripts, a similar approach is adopted to group logical statements together to form a function. As like any other languages, functions in Batch Script follows the same procedure − Function Declaration − It tells the compiler about a function's name, return type, and parameters. Function Definition − It provides the actual body of the function. In Batch Script, a function is defined by using the label statement. When a function is newly defined, it may take one or several values as input 'parameters' to the function, process the functions in the main body, and pass back the values to the functions as output 'return types'. Every function has a function name, which describes the task that the function performs. To use a function, you "call" that function with its name and pass its input values (known as arguments) that matches the types of the function's parameters. Following is the syntax of a simple function. :function_name Do_something EXIT /B 0 The function_name is the name given to the function which should have some meaning to match what the function actually does. The EXIT statement is used to ensure that the function exits properly. Following is an example of a simple function. Example :Display SET /A index=2 echo The value of index is %index% EXIT /B 0 ======================================================= If you have any questions, please post them. 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