How to resolve the algorithm Conditional structures step by step in the Batch File programming language

Published on 12 May 2024 09:40 PM
#Batch file

How to resolve the algorithm Conditional structures step by step in the Batch File programming language

Table of Contents

Problem Statement

List the conditional structures offered by a programming language. See Wikipedia: conditionals for descriptions. Common conditional structures include if-then-else and switch. Less common are arithmetic if, ternary operator and Hash-based conditionals. Arithmetic if allows tight control over computed gotos, which optimizers have a hard time to figure out.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Conditional structures step by step in the Batch File programming language

Source code in the batch programming language

IF [NOT] ERRORLEVEL number          command
IF [NOT] string1==string2           command
IF [NOT] EXIST filename             command
IF CMDEXTVERSION number             command
IF DEFINED variable                 command
IF [/I] string1 compare-op string2  command
   where compare-op is:
   EQU - equal 
   NEQ - not equal 
   LSS - less than 
   LEQ - less than or equal 
   GTR - greater than 
   GEQ - greater than or equal 
   /I    case insensitive string compares

IF EXIST %filename% (
  del %filename%
) ELSE (
  echo %filename% not found 
)

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