Printer Accounting File Parsing

[Larry Wall]

In article <24110 at adm.BRL.MIL> BKEHOE%widener at pucc.princeton.edu writes:
: 
:  Here's something that should be simple to solve..it can be in anything (C/
: awk/shell/whatever).
:  I need to parse down the results of the printer accounting file into a total
: for each user for that 2-week or month-long period of time, and send mail to
: those users that've gone above 50 pages saying something like "Calm down".
: I've been futzing in awk but can't seem to pull it off -- and in C my string
: manipulation seems to be off (admittedly I haven't spent a *lot* of time
: hacking it out).
: ...
:  It'd be nice if I could assess the # of pages they print off of each client
: too, but that may be overkill.

No problem.

---------- CUT HERE ----------
#!/usr/bin/perl

$THRESHOLD = 50;

while (<>) {
    ($pages, $wherewho) = split(' ');
    ($where, $who) = split(/:/, $wherewho);
    $sum{$who} += $pages;
    $client{$who} .= "$where " unless $clientsum{$wherewho};
    $clientsum{$wherewho} += $pages;
}

foreach $who (keys %sum) {
    next if $sum{$who} < $THRESHOLD;
    @clients = sort split(' ', $client{$who});
    $breakdown = '';
    if (@clients >= 2) {
	$breakdown = "Breakdown:\n\tMachine \tPages\n";
	foreach $client (@clients) {
	    $breakdown .= sprintf("\t%-16s%5d\n",
		$client, $clientsum{"$client:$who"});
	}
    }
    open(MAIL,"|/bin/mail $who") || die "Can't run mail: $!\n";
    print MAIL <<EOF;
Subject: printer usage

Dear $who:

You printed $sum{$who} pages in the last accounting period.  Calm down.
$breakdown
Sincerely,
The Printer Accounting Daemon
EOF
    close MAIL;
}

Larry Wall
lwall at jpl-devvax.jpl.nasa.gov