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The scripts in this subdirectory give examples of using lsof's field output. big_brother.perl5 Perl 5 script, contributed by Lionel Cons <Lionel.Cons@cern.ch>, 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 <kchowksey@hss.hns.com> 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 <fabian.frederick@gmx.fr>, 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 <damercer@mmm.com> 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