Dos rename files with prefix

TXT being renamed to S1-T1. Replace with new prefix. Please let me know Don't put. Join our community to see this answer! Unlock 4 Answers and 19 Comments. Andrew Hancock - VMware vExpert. See if this solution works for you by signing up for a 7 day free trial. Tip In earlier releases of MS-DOS, instead of using ren or rename, you need to use the move command to rename directories or files.

Availability Ren and rename syntax Ren and rename examples. Note You cannot specify a new drive or path for the destination of a renamed file. Tip To represent or match one single character only, use the question mark?

The prefix is the polar opposite of suffix and is added before a filename. The whole exercise is aimed at adding a name to the existing filename so that the whole filename becomes more meaningful and easy to make sense of.

Diving into the nitty-gritty of both of the scripts, the code uses CD command in order to change the currently active directory. In a nutshell, CD means change directory, and thereby any command following this line is only applicable to the currently active folder. The second line sets the local to EnableDelayedExpansion , which helps in delaying the variable expansion to execution time instead of the parsing time.

In batch scripting terminology, variable expansion refers to replacing the given variable with the corresponding value. X is the file read in each iteration of the loop here it performs the DO loop. I will continue to look at the formula you folks have given here. I of course appreciate your help, thanks. Unfortunately the above code fails for me. The existing filename is exactly 8 chars and the text I want to add as a prefix is 9 chars.

Running the bat one time yields the following results:. Reply to Jim. But what ends up happening is that instead of adding the number 1, command prompt ends up replacing the first character of the existing string of numbers. Reply to Michael.