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|
#! /sw/tools/bin/perl -w
# FIXME: one line description
# Generated automatically from @FROM@.
# remember to add to perl_exe in Makefile.am
use strict;
use Getopt::Long;
(my $VERSION = '$Revision: 1.1 $ ') =~ tr/[0-9].//cd;
(my $program_name = $0) =~ s|.*/||;
my $debug = 0;
my $verbose = 0;
sub usage ($)
{
my ($exit_code) = @_;
my $STREAM = ($exit_code == 0 ? *STDOUT : *STDERR);
if ($exit_code != 0)
{
print $STREAM "Try `$program_name --help' for more information.\n";
}
else
{
# FIXME: add new option descriptions here
print $STREAM <<EOF;
Usage: $program_name [OPTIONS] FIXME: FILE ?
OPTIONS:
--help display this help and exit
--version output version information and exit
--debug output debugging information
--verbose generate verbose output
EOF
}
exit $exit_code;
}
sub END
{
use POSIX qw (_exit);
# This is required if the code might send any output to stdout
# E.g., even --version or --help. So it's best to do it unconditionally.
close STDOUT
or (warn "$program_name: closing standard output: $!\n"), _exit (1);
}
{
GetOptions
(
# FIXME: add new options here
debug => \$debug,
verbose => \$verbose,
help => sub { usage 0 },
version => sub { print "$program_name version $VERSION\n"; exit },
) or usage 1;
# FIXME: provide default here if necessary
# unshift (@ARGV, ".") if !@ARGV;
# print "$#ARGV ; $ARGV[0], $ARGV[1]\n" if $debug;
# foreach my $arg (@ARGV)
# {
# die "$program_name: FIXME - process $arg here"
# }
my $is_prime =
{
2 => 1,
3 => 1,
5 => 1,
7 => 1,
11 => 1,
};
$w = 1;
sub is_prime ($)
{
my ($n0) = @_;
# FIXME
die;
use integer;
my $n = $n0;
my $d = 2;
while (1)
{
my $q = $n / $d;
($n == $q * $d)
and return 0;
$d += $w;
$d < $q
and last;
$w = 2;
}
return 1;
}
my $prod = 2 * 3 * 5;
my $last_prime = 2;
for ($i = 3; $i < $prod; $i++)
{
if (is_prime $i)
{
print $i - $last_prime, "\n";
$last_prime = $i;
}
}
exit 0;
}
|
