Saving to root directory of windows 7

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Johan
Johan 2011-5-21
Hi there.
I have a matlab function that saves using fprintf...and it works just fine saving anywere, exept I can't save in the root, that is 'c:\' which is exactly where it needs to be saved. I can ofcourse save it somewhere else and then copy it to the root and say 'yes' or whatever when windows as me for persmission and admin rights and so on...
but I NEED to code it so that matlab saves it to "c:\filename".
which brings me to my question, is there anyway to get matlab to tell windows to ask for the admin rights when trying to save the file? that is via coding...
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Daniel Shub
Daniel Shub 2011-5-21
As a Linux user, I am not sure I can be much help. First, are you sure you need to save it to the root directory? Second, can you run MATLAB as root for this case?
Johan
Johan 2011-5-22
well yes I have to save it to the root in this case, it's what the "task" is all about...sadly

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采纳的回答

Johan
Johan 2011-5-26
Solved it using !dir & mkdir c:\logdata which created a new folder on the root, and then after that used fprintf to ad file to the folder.
It isn't what I wanted to do, but still it's good enough to solve the problem
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Johan
Johan 2011-5-26
Yeah, I know it's not the best place, but when the user asks for it specifically, I don't want to argue, I wouldn't place it there either.
Jason Ross
Jason Ross 2011-5-26
Yes, I have traveled the same road ... on some level you might consider it "job security" since you know they'll be back in the future :)

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更多回答（1 个）

Walter Roberson
Walter Roberson 2011-5-21
Perhaps you could system() a runas command that copies the file to where it needs to go. I seem to recall that runas prompts for the password.
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Johan
Johan 2011-5-22
Okay have been looking at the matlab help for system() and can't seem to find anything on doing runas or any similar, how would one do what you describe, syntax wise? or where can I get more info on the subject.
Walter Roberson
Walter Roberson 2011-5-22
http://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/runas.mspx?mfr=true
It would simply be a Windows command-line that you submitted via system()
system(sprintf('runas /user:Administrator@YourComputerName move %s %s', oldfilename, newfilename))

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