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List:       netatalk
Subject:    Re: [netatalk-admins] not quite 'top' but
From:       Nicolai Langfeldt <janl () math ! uio ! no>
Date:       1997-10-27 10:39:08
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jon@colossus.cs.wits.ac.za (John Ostrowick) tastet:
> the following is a script i made to show who was logged in.
...

Yes, that's cool.  

However running ps all those times was slow.  Here is my version,
it runs ps only once.  It's for ksh, but everyone has ksh, right?

#!/bin/ksh

runps () {
    STATUS="$(ps axuw)"
    AFPSTATUS=$(print -n "$STATUS" | grep afpd)
    print -n "$STATUS" | head -1
}

case $# in
    1)  runps
        print "$AFPSTATUS" | grep "$1"
        exit 0;;
    0)  :;;
    *)  print "Usage: awho [user]"
        exit 0;;
esac;

runps
print "$AFPSTATUS\n"
print 'total number of users logged on: ' $(print -n "$AFPSTATUS" | wc -l)

print -n 'main afpd status: '
case $AFPSTATUS in
  '')  print DOWN;;
  *)   print up;;
esac

print -n 'atalkd status: '
case $(print -n "$STATUS" | grep atalkd) in
  '')  print DOWN;;
  *)   print up;;
esac

exit 0

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