#!/bin/sh
# -*- perl -*-
# This code allows us to start perl from our path or an environment variable
# rather than hardcoding a path into the #! line.  It works from sh or csh.
(exit $?0) && eval 'exec ${QPERLQ-perl} -x $0 ${1+"$@"}'
if (! $?QPERLQ) setenv QPERLQ perl
exec $QPERLQ -x $0 $argv:q

#!/usr/local/bin/perl -w
#
# $Id: wait_du,v 1.1 1998/03/27 21:39:09 ejb Exp $
# $Source: /home/ejb/scripts/RCS/wait_du,v $
# $Author: ejb $
#

require 5.002;
use strict;

my $whoami = ($0 =~ m,([^/\\]*)$,) ? $1 : $0;
#my $dirname = ($0 =~ m,(.*)[/\\][^/\\]+$,) ? $1 : ".";

&usage() unless (@ARGV == 2);
my ($dir, $blocks) = @ARGV;

while (1)
{
    chop(my $cur_blocks = `du -s $dir`);
    if ($cur_blocks !~ m/(\d+)\s$dir/)
    {
	die "$whoami: unknown du output\n";
    }
    else
    {
	$cur_blocks = $1;
	last if ($cur_blocks >= $blocks);
    }
    sleep 5;
}

sub usage
{
    die "Usage: $whoami dir blocks\n";
}