Batch file if then

Conditionals are the best statements that we can write in a program. They allow the program to vary itself for a particular case. The syntax for the IF statement is similar to that of all the programming languages and it executes a block only if the guard condition is true in case it is false, the else block is executed.

The output for the above program is as follows. I have given the numbers as 1 and 2 so the output obviously would be not equal. Output enter two numbers 1 2 not equal Press any key to continue. GOTO is a command used to branch from a particular point in the program unconditionally.

GOTO statements also allow us to simulate the loops without the use of for statements in the program. About I am an embedded c software engineer and a corporate trainer, currently, I am working as senior software engineer in a largest Software consulting company.

You might also like. Leave a Reply Cancel reply. Loading Comments Some uses of this script would be for IT audits when you need to quickly run a script and make sure the current operating system is the latest, or whether it needs an upgrade. The ability to compare strings in batch opens up a whole list of possibilities. If you explore all of the information you can obtain out of a WMIC command you'll see just how many statistics about your computer you can monitor.

You can use scheduled batch jobs to alert on these. Another useful situation where an IF statement in a batch file is to check for the existence of a data file. A lot of times the batch job is just a monitoring tool that might be scheduled to check for new incoming data files in a specific directory.

Then, the batch job may either copy that file over to another location where it can be processed, or kick off some windows script that processes the file into an Excel output. We've written in the past about how to use Windows scripts for processing data to an Excel file ; some good background reading. Using a batch file to check whether a file exists in a directory is quick and easy. Here's what that script looks like. For example if you have a system or application running that creates new error logs in a specific folder when there's a problem, you can run a batch job every so often to monitor whether new error logs are created so you can send an alert.

An aspect of batch file scripting that too few IT folks or programmers use is checking for errors. There are a lot of batch jobs floating around out there that are performing critical IT tasks like backing up important files or running file copy operations.

When these batch jobs fail, systems fail and people notice. View all page feedback. In this article. Specifies a true condition only if the previous program run by Cmd. Specifies a true condition only if string1 and string2 are the same. You do not need to enclose literal strings in quotation marks.

Forces string comparisons to ignore case. These comparisons are generic, in that if both string1 and string2 are comprised of numeric digits only, the strings are converted to numbers and a numeric comparison is performed.