Re: Logging of history

[Tony Plate <tplate@blackmesacapital.com>]

There are two types of history saving in S-PLUS: command history and 
auditing.
Simple command history (commands only) is controlled by the S_CMDFILE 
environment variable (can be specified on the command line or in the 
environment).  See the Programmer's Guide for details (look in the 
chapter "The S-PLUS command line and system interface".)  A setting like
S_CMDFILE=+history.q

will cause command history to be appended to the file history.q in the 
startup directory of S-PLUS (with this you will have different history 
files for different projects).
"Auditing" saves more information, but tends to leave behind large 
files, so the major concern most people have had (historically) about 
auditing is finding a way to turn it off (S_NOAUDIT=1).  It is now off 
by default  for Splus.exe (under Windows at least).
Simple command history suffices for many people's needs.  However, if 
you want a more complete record you might want to investigate audit 
files.  See the same chapter in the Programmer's Guide for some (rather 
minimal and incomplete) information about audit files.
-- Tony Plate


Glenn.Treacy@ILIM.COM wrote:
> Hi,
>
> I'm using S+6.2 on NT4. Can anyone tell me if it is possible to
> automatically have my daily command history saved and appended so I have a
> full record of my S+ sessions?
>
> Regards,
> Glenn Treacy
>
>
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