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authorJim Meyering <jim@meyering.net>2001-02-04 12:29:18 +0000
committerJim Meyering <jim@meyering.net>2001-02-04 12:29:18 +0000
commit8b8419e18572922e50ab9ba4d6b4ed35ce749d73 (patch)
treec786c472acc3b8ae7a8bdd82ab2d9bbc0a5ba5b9 /src/wheel-gen.pl
parente2625cbbcd139519ff4cbce931de8843fd74688a (diff)
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diff --git a/src/wheel-gen.pl b/src/wheel-gen.pl
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+++ b/src/wheel-gen.pl
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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;
+}