The scripts in this subdirectory give examples of using lsof's
field output.

big_brother.perl5 Perl 5 script, contributed by Lionel Cons
<[email protected]>, that watches for new
network connections.

count_pf.perl Perl 4 or 5 script that runs lsof in repeat
mode, gathering process, file, TCP, and UDP
counts

count_pf.perl5 Perl 5 script that runs lsof in repeat mode,
gathering process, file, TCP, and UDP counts

This script uses NUL terminated lsof field
output.

identd.perl5 Perl 5 script, contributed by Kapil Chowksey
<[email protected]> that implements an
identd server. (Thanks, Kapil!)

idrlogin.perl Perl 4 script that identifies the shell and
network source address of users who have logged
on from remote locations via rlogin, ssh, or
telnet

idrlogin.perl5 Perl 5 script that identifies the shell and
network source address of users who have logged
on from remote locations via rlogin, ssh, or
telnet

list_NULf.perl5 Perl 5 script that prints lsof's NUL terminated
field output

list_fields.awk AWK script that prints lsof's field output

list_fields.perl Perl 4 or 5 script that prints lsof's field
output

shared.perl5 Perl 5 script that uses +ffn output to produce
a list of file descriptors or files shared by
processes.

sort_res.perl5 Perl 5 script, contributed by Fabian Frederick
<[email protected]>, to display top resource
usage.

watch_a_file.perl Perl 4 or 5 script that watches the use of a
named file

xusers.awk an AWK (actually NAWK) script, written by
Dan A. Mercer <[email protected]> that, "Prints
list of users and applications signed on X
workstations." This script was developed
and is used with lsof on HP-UX systems.

Vic Abell
December 28, 1998