--- /dev/null
+#! /usr/bin/perl -w
+
+use strict;
+use Getopt::Long;
+
+my ($pintos) = "pintos";
+my ($os_disk) = "../../src/userprog/build/os.dsk";
+my ($fs_disk);
+my ($test);
+
+GetOptions ("os-disk=s" => \$os_disk,
+ "fs-disk=s" => \$fs_disk,
+ "test=s" => \$test,
+ "help" => sub { usage (0) })
+ or die "option parsing failed; use --help for help\n";
+
+if (!defined ($test)) {
+ die "test name expected; use --help for help\n"
+ if @ARGV != 1;
+ $test = shift @ARGV;
+} elsif (@ARGV != 0) {
+ die "can't have non-option arg with --test\n";
+}
+
+$fs_disk = "$test.dsk" if !defined $fs_disk;
+
+if (! -e $os_disk) {
+ print STDERR "$os_disk: stat: $!\n";
+ print STDERR "perhaps you should `make' in ../../src/userprog?\n";
+ exit 1;
+}
+
+our ($formatted) = 0;
+
+unlink $fs_disk;
+xsystem ("$pintos make-disk '$fs_disk' 2");
+put_file ("$test");
+put_file ("sample.txt")
+ if grep ($_ eq $test,
+ qw (open-normal open-boundary open-twice
+ close-normal close-twice
+ read-normal read-bad-ptr read-boundary read-zero
+ write-normal write-boundary write-zero));
+
+sub put_file {
+ my ($fn) = @_;
+ my ($cmd) = "$pintos -v --os-disk='$os_disk' --fs-disk='$fs_disk' put";
+ $cmd .= " -f", $formatted = 1 if !$formatted;
+ $cmd .= " '$fn'";
+ xsystem ($cmd);
+}
+
+sub xsystem {
+ my ($cmd) = @_;
+ print "$cmd\n";
+ system ($cmd) == 0 || die "command failed\n";
+}