*BSD News Article 12622


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From: robert@triton.Jpl.Nasa.Gov (Angelino)
Subject: How does finger get info about mail???
Message-ID: <1993Mar14.000449.24954@llyene.jpl.nasa.gov>
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Nntp-Posting-Host: triton.jpl.nasa.gov
Reply-To: robert@triton.Jpl.Nasa.Gov
Organization: JPL
Date: Sun, 14 Mar 1993 00:04:49 GMT
Lines: 33

BACKGROUND:
	SunOS 4.1.2. SPARC 2.

all,
	When I do a "finger username" I get some nice goodies about 
username.  One thing I'm baffled about is the mail information it
displays.  How does it do this??  The manual pages say the following:

     When one or more name arguments  are  given,  more  detailed
     information  is  given for each name specified, whether they
     are logged in or not.  A name may be a first or  last name,
     or  an  account  name.  Information is presented in a multi-
     line format, and includes, in addition  to  the information
     mentioned above:
	  the user's home directory and login shell
	  the time they logged in if they  are currently  logged
          in, or the time they last logged in if they are not, as
          well as the terminal or host from which they logged  in
          and,  if  a terminal, the comment field in /etc/ttytab
          for that terminal 
	  the last time they received mail,  and the  last time 
	  they read their mail 
	  any plan contained in the file .plan in the user's home
          directory
          and any project on which they are working described in
          the file .project (also in that directory)

What process does finger go through to get the mail information??  Does
it look at the access time of /var/spool/mail/username or is it getting
it from somewhere else??


-curious