Forums Developers $com

i know how to see if an environmental variable exists, e.g: %comspec%, and to see what it contains, but does anyone/can anyone point me to a tutorial on how to make/edit your own variables using COM

Maybe adding a key to the Registry:

HKEY_LOCAL_MACHINE/SYSTEM/ControlSet001/Control/Session Manager/Environment

Same for ControlSet002 and CurrentControlSet, I don't know who is the default one.

thanks:)

ControlSet002
...i dont have that one... but i do got
ControlSet003
...does that make much diff?

PS:
also.. how to add in the new key?
do i write to a .reg file.. and then run it?
if so how do ya output binary info..

[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\Session Manager\Environment]
"windir"=hex(2):25,00,53,00,79,00,73,00,74,00,65,00,6d,00,52,00,6f,00,6f,00,74,\
00,25,00,00,00

would set %windir% to %SystemRoot%

how to get the hex vailue for doing that is my question..

a /regwrite alias i made can write to: HKLM\test but not where environment vars are stored.

mmmmm indeed...
The only way to set an env variable is using under cmd.exe
set variable=blabla

Typing under cmd.exe echo %variable% returns blabla
Nothing found in the registry about "blabla".

so i could just make a /run alias to hide the window set a var and close when it's finished.
ok ty

env variables seems not to be linked to the registry.

If you'd like to read/write/del a key to the registry, here are some threads:

https://forums.mirc.com/showflat.php?Cat=...o=&vc=1

https://forums.mirc.com/showflat.php?Cat=...o=&vc=1

https://forums.mirc.com/showflat.php?Cat=...o=&vc=1

I think you should be using HKCU\Environment\

Either way, I doubt if it would become available until Windows reads the registry entry again, which is usually at Logon.

http://www.mircscripts.org/comments.php?id=963

mIRC-Env 1.0 by codemastr
DLL to set/read windows environment variables.

i was hoping that i wouldn't have to use a dll, i use 3 already -_-

Maybe this snippet will help.

same result, his $regwrite and my /regwrite can't write to that key for some reason.

See above
I just tested with
//echo -a $regwrite(HKCU\Environment\Sheep,Baaa)
and it worked fine (after logoff/logon or opening/closing "sysdm.cpl > Advanced > Environment Variables")

I don't know of a way to force Windows to reread the registry hives maybe somoene else does...

well all that need to be done now is use smd.exe to do that to..
maybe mIRC should be programmed to directly manipulate cmd.exe better as its a good work around for almost n e thing :-/

WTH is "smd.exe"?

Typo: www.google.com/search?q=smd.exe

even though this has nothing to do with my original question, i'll ask here considering the post title is $com

in cmd.exe/msdos.com you can type:

but you cannot retrieve %rand% the same way as %windir% or %comspec% anyone know why?

If you say so... That just leaves a different question though.
WTH has cmd.exe got to do with opening comtrol panel applets?

Where, when and how is %rand% being set?

BTW You don't need "@echo on" as that is the default.