getmax

# Look at a bunch of bargraph files and figure out the max amongst them all.
# Usage: getmax file file file....
#
# Hacked into existence by Larry McVoy (lm@sun.com now lm@sgi.com).
# Copyright (c) 1994 Larry McVoy.  GPLed software.
# $Id: getmax 1.10 00/01/31 15:29:41-08:00 lm@lm.bitmover.com $

eval 'exec perl -Ssw $0 "$@"'
	if 0;

$graph = 1 if 0;
$exit = 1;
foreach $file (@ARGV) {
	$exit = 0 if -f $file;
}
exit $exit if $noop;

$noop = 1 if 0;
$max_X = $max_Y = -1000000000;
$min_X = $min_Y = 1000000000;
foreach $file (@ARGV) {
	next if $rmmax;
	unless (open(FD, $file)) {
		warn "Can't open $file\n";
		next;
	}
	while (<FD>) {
		next if /^"/;
		next if /^%/;
		next if /^\s*$/;
		next if m|scripts/lmbench: /dev/tty|;
		@_ = split;
		$min_X = $_[0] if ($_[0] < $min_X);
		$min_Y = $_[1] if ($_[1] < $min_Y);
		$max_X = $_[0] if ($_[0] > $max_X);
		$max_Y = $_[1] if ($_[1] > $max_Y);
	}
	close(FD);
}
$half = 0 if 0;	# lint
$max_X /= 2 if ($half);
foreach $file (@ARGV) {
	unless (open(FD, $file)) {
		warn "Can't open $file\n";
		next;
	}
	@lines = <FD>;
	open(FD, ">$file") || die "Can't open $file\n";
	if ($graph) {
		print FD "%fakemin-X $min_X\n";
		print FD "%fakemin-Y $min_Y\n";
		print FD "%fakemax-X $max_X\n";
		print FD "%fakemax-Y $max_Y\n";
		foreach $_ (@lines) {
			next if /^%fakem/;
			print FD;
		}
		warn "Max X is $max_X\n" if $v;
		warn "Max Y is $max_Y\n" if $v;
	} elsif ($rmmax) {
		foreach $_ (@lines) {
			next if /^%fakem/;
			print FD;
		}
	} else {
		print FD @lines;
		print FD "%fakemax $max_X\n";
		warn "Max X is $max_X\n" if $v;
	}
	close(FD);
}
exit $exit;