Colleagues,

I have an unusual problem; I am wondering whether anyone has dealt  
with it and found a solution.

I have a script that needs to be encrypted.  R will then be run on  
the script.  There are various means to decrypt the file, some of  
which leave the decrypted code on the hard drive for an excessive  
period.

One means that I have considered to deal with this is the following  
(the unix code is not correct, just sufficient to communicate the idea):
	system("decrypt ...")
	system("rm encrypted file")
	source(decrypted file)
	system("rm decrypted file")

Another approach would be to pipe the decrypted version to R in the  
command line (as it is being decrypted).  Obviously, this could be  
done with R < decryptedFile but this leaves the decrypted code  
exposed.  Is there some other means to accomplish my goals using  
something on the command line?

Of note, the scripts are not terribly long - 50-200 lines each.

Thanks

Dennis

Dennis Fisher MD
P < (The "P Less Than" Company)
Phone: 1-866-PLessThan (1-866-753-7784)
Fax: 1-415-564-2220
www.PLessThan.com


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