parker@ohstpy.mps.ohio-state.edu (11/07/90)
Could someone send me a perl script that reads /etc/utmp file under SusOS 4.1 as an example. If possible please send me it E-mail as well as posting it, my E-mail address is: parker@hydrogen.mps.ohio-state.edu Thanks.
composer@chem.bu.edu (Jeff Kellem) (11/08/90)
In article <9013.2737e4c1@ohstpy.mps.ohio-state.edu> parker@ohstpy.mps.ohio-state.edu writes:
Date: 7 Nov 90 15:41:05 GMT
Could someone send me a perl script that reads /etc/utmp file
under SusOS 4.1 as an example.
If the PERL source is installed in the PERL_DIR directory tree, then look in
PERL_DIR/eg/who. It's basically a replacement for the who program. That
should give you enough to go on.
Enjoy...
-jeff
Jeff Kellem
Internet: composer@chem.bu.edu
lwall@jpl-devvax.JPL.NASA.GOV (Larry Wall) (11/08/90)
In article <9013.2737e4c1@ohstpy.mps.ohio-state.edu> parker@ohstpy.mps.ohio-state.edu writes: : Could someone send me a perl script that reads /etc/utmp file : under SusOS 4.1 as an example. Here's a who clone: #!/usr/bin/perl # This assumes your /etc/utmp file looks like ours open(UTMP,'/etc/utmp'); @mo = (Jan,Feb,Mar,Apr,May,Jun,Jul,Aug,Sep,Oct,Nov,Dec); while (read(UTMP,$utmp,36)) { ($line,$name,$host,$time) = unpack('A8A8A16l',$utmp); if ($name) { $host = "($host)" if $host; ($sec,$min,$hour,$mday,$mon) = localtime($time); printf "%-9s%-8s%s %2d %02d:%02d %s\n", $name,$line,$mo[$mon],$mday,$hour,$min,$host; } } Larry