AutoHotkey Community

I saw one application which will display the running system time(ie if system is ON yesterday from 4to6pm and turned OFF then again today ON 5to7means it ll display this time as system running time) Can we make a script which will do the same thing?

Sure, you can have an INI file keep track of each day's time as well as a total. Take a look at "EnvAdd" in the Docs. That should get ya started.

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The application i saw doesnt keep any file. If we run, it ll show the timings. Without keeping a file to track timing, can we do it?can we do is by reading any dll or from anything in os that keep track of this?

Incase if i want to run on a fresh system, how could i get the timing? So, i have to get the timing without using that ini file:-) if i run, it should give timing details by reading any os files or os dll.

AFAIK, the OS only keeps track of how long the computer has been on since it was booted, not any sort of total uptime.

But, how can i get the past up time of a system. ie if i worked the system yesterday from 5to8pm and today 7to6 means, it should display both this timing when i run now without using ini. It should only with the use of built in ahk variale or using os.

Ie, we should keep the track of system current and past up times. It should tell automatically. Hope you have understand that what i am trying to say:-)

We know what you're saying, the thing is, the system doesn't store that data by itself and AHK doesn't have variables that last between sessions. You need to either use an ini file, or store the information in some environmental variables.

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i have no idea why u are so against using ini file to store the time, but here is a solution u might be interested

write a script that will append up-time back to the Script.ahk
and put the script in startup folder

well u may ask whats the difference between using an ini file and this
obviously, this does not require extra file, but need to be in script form (cant be exe)

example:

It would be using the Registry, my best guess.

Thanks for your code. I ll use your code. Why i am not interested to use ini or file storage is, this wont work for a fresh system. It ll tell only if we run that script in past.

Instead of updating the file for every interval, can we use OnMessage function to know the system shutdown status and write the file for once? I want to do one action before system is going to shutdown. Is it possible to do it?

Whatfore you need that information (especially why you need to detect that already passed period)?

Uptime.exe Tool Allows You to Estimate Server Availability with Windows NT 4.0 SP4 or Higher

from command line, Uptime /p:10 gives me boot/shutdown/uptime details for past 10 days. Will some string manipulation skills, the result can be worked out.

PS: I tried in XP SP2, standalone computer

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This is for my final year project SKAN. I am developing one speech recognition SERVER-CLIENT control program. For this,the client should inform to the server that it is going to shutdown, so that the server will safely remove client from its list.

@BOBO
If client doesnt tell to server means, there will be exception occur on server and the program wont work. For this i want to know information that client system is going to shutdown, so the client will inform to server and program will continue safely:)