Windows batch script set environment

Normally, variable having a global scope can be accessed anywhere from a program whereas local scoped variables have a defined boundary in which they can be accessed. DOS scripting also has a definition for locally and globally scoped variables. By default, variables are global to your entire command prompt session. The following example shows the difference when local and global variables are set in the script. If you have variables that would be used across batch files, then it is always preferable to use environment variables.

Numeric values are decimal numbers, unless prefixed by 0x for hexadecimal numbers, 0 for octal numbers. Only new CMD prompts will get the new setting. This as a good thing, particularly on multi-user machines, your scripts won't have to contend with a dynamically changing environment while they are running.

They will appear at the CMD prompt. If autoexec. This behaviour can be useful on a dual boot PC. SET is an internal command. I got my mind set on you I got my mind set on you You are commenting using your Twitter account.

You are commenting using your Facebook account. Notify me of new comments via email. Notify me of new posts via email. Blog at WordPress. How to add Environment Variables using a batch script? Share this: Twitter Facebook. Asked 7 years, 11 months ago. Active 3 years, 7 months ago. Viewed k times. Improve this question. Ruben Ruben 8, 13 13 gold badges 59 59 silver badges 96 96 bronze badges.

I am afraid I don't understand the purpose of this topic. The "question" is not a question at all. It doesn't describe the problem nor the desired result, but include a "part of an answer" instead! On the other hand, the answer below seems to have no relation with the "question", so its usefulness its limited.

Well it's just something I was looking for, and I could not find a decent answer, took me a long time to make this, so I added it as a community wiki so others can use it. Should I remove this? Possible duplicate of Setting a system environment variable from a Windows batch file?