If you're on a Un*x try 'lsof'. From the man page it says it's on:

AIX 4.1.[45], 4.2[.1], and 4.3[.123]
BSDI BSD/OS 2.1, 3.[01], and 4.[01] for Intel-based systems
DC/OSx 1.1 for Pyramid systems
DEC OSF/1, Digital UNIX, Tru64 UNIX 2.0, 3.2, 4.0, and 5.[01]
FreeBSD 2.1.[67], 2.2[.x], 3.[012345], 4.[01], and 5.0 for
Intel-based systems
HP-UX 9.01, 10.20, and 11.00
Linux 2.0.3[2346] and 2.[1234].x for Intel-based systems
NetBSD 1.[2345] for Alpha, Intel, and SPARC-based systems
NEXTSTEP 3.[13] for NEXTSTEP architectures
OpenBSD 2.[01234567] for Intel-based systems
OpenStep 4.x
Reliant UNIX 5.4[34] for Pyramid systems
SCO OpenServer Release 3.0 and 5.0.[02456] for Intel-based systems
SCO UnixWare 2.1.[123] and 7[[.0].1] for Intel-based systems
Sequent PTX 2.1.9, 4.2.[13], 4.[34], 4.4[.1246], and 4.5[.1] for Seque
+nt systems
Solaris 2.5.1, 2.6, 7, 8 BETA, and 8 BETA-Refresh
SunOS 4.1.x
Ultrix 4.2
[download]

You could call it via:

open(LSOF,"/usr/sbin/lsof MY_OPTIONS_HERE |") || die $!;
while(<LSOF>) {
    # so stuff
}
[download]

or

@output = `/usr/sbin/lsof MY_OPTIONS_HERE`;
[download]

HTH

/\/\averick
perl -l -e "eval pack('h*','072796e6470272f2c5f2c5166756279636b672');"

---

---

Posts are HTML formatted. Put <p> </p> tags around your paragraphs. Put <code> </code> tags around your code and data!

Titles consisting of a single word are discouraged, and in most cases are disallowed outright.

Read Where should I post X? if you're not absolutely sure you're posting in the right place.

Please read these before you post! —

• How do I compose an effective node title?
• How do I post a question effectively?
• Markup in the Monastery

Posts may use any of the Perl Monks Approved HTML tags:

a, abbr, b, big, blockquote, br, caption, center, col, colgroup, dd, del, details, div, dl, dt, em, font, h1, h2, h3, h4, h5, h6, hr, i, ins, li, ol, p, pre, readmore, small, span, spoiler, strike, strong, sub, summary, sup, table, tbody, td, tfoot, th, thead, tr, tt, u, ul, wbr

You may need to use entities for some characters, as follows. (Exception: Within code tags, you can put the characters literally.)

	For:		Use:
	&		&
	<		&lt;
	>		&gt;
	[		&#91;
	]		&#93;

Link using PerlMonks shortcuts! What shortcuts can I use for linking?

See Writeup Formatting Tips and other pages linked from there for more info.