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

field output.

big_brother.pl Perl 5 script, contributed by Lionel Cons

<[email protected]>, that watches for new

network connections.

count_pf.pl 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.pl Perl 5 script, contributed by Kapil Chowksey

<[email protected]> that implements an

identd server. (Thanks, Kapil!)

idrlogin.pl 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.pl Perl 5 script that prints lsof's NUL terminated

field output

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

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

output

shared.pl Perl 5 script that uses +ffn output to produce

a list of file descriptors or files shared by

processes.

sort_res.pl Perl 5 script, contributed by Fabian Frederick

<[email protected]>, to display top resource

usage.

watch_a_file.pl 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