How to add to path environment variable with autoit ?

[RebolTutorial]

I can use rebol to get the value of path environment variable but I cannot modify it so I'd like to use autoit to do so. Is it possible ? If yes can you give me a sample code or a clue ? thanks.

[sahsanu]

I can use rebol to get the value of path environment variable but I cannot modify it so I'd like to use autoit to do so. Is it possible ? If yes can you give me a sample code or a clue ? thanks.

Yes, it is possible . Take a look to help file; EnvGet, EnvSet & EnvUpdate.

Edit: Well, using EnvSet to set an environment variable will made this "add" available to programs that AutoIt spawns (Run, RunWait). Once AutoIt closes, the variables will cease to exist.

So, if you want to make the change permanent could use something like this:

$key = "HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Session Manager\Environment"
$val = "PATH"
$PATH = RegRead($key, $val)

$sAddThisPath = "C:\my new path\"
$PATH = $PATH & ";" & $sAddThisPath

RegWrite($key,$val,"REG_EXPAND_SZ",$PATH)
EnvUpdate()

Cheers,

sahsanu

Edited July 25, 2010 by sahsanu