#!/usr/bin/perl
=encoding utf8
=begin metadata
Name: bcd
Description: format input as punch cards
Author: Steve Hayman
License: bsd
=end metadata
=cut
use strict;
use File::Basename qw(basename);
use Getopt::Std qw(getopts);
use constant EX_SUCCESS => 0;
use constant EX_FAILURE => 1;
my @Holes = (
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x206, 0x20a, 0x042, 0x442, 0x222, 0x800, 0x406,
0x812, 0x412, 0x422, 0xa00, 0x242, 0x400, 0x842, 0x300,
0x200, 0x100, 0x080, 0x040, 0x020, 0x010, 0x008, 0x004,
0x002, 0x001, 0x012, 0x40a, 0x80a, 0x212, 0x00a, 0x006,
0x022, 0x900, 0x880, 0x840, 0x820, 0x810, 0x808, 0x804,
0x802, 0x801, 0x500, 0x480, 0x440, 0x420, 0x410, 0x408,
0x404, 0x402, 0x401, 0x280, 0x240, 0x220, 0x210, 0x208,
0x204, 0x202, 0x201, 0x082, 0x806, 0x822, 0x600, 0x282,
0x022, 0x900, 0x880, 0x840, 0x820, 0x810, 0x808, 0x804,
0x802, 0x801, 0x500, 0x480, 0x440, 0x420, 0x410, 0x408,
0x404, 0x402, 0x401, 0x280, 0x240, 0x220, 0x210, 0x208,
0x204, 0x202, 0x201, 0x082, 0x806, 0x822, 0x600, 0x282,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0,
0x0, 0x206, 0x20a, 0x042, 0x442, 0x222, 0x800, 0x406,
0x812, 0x412, 0x422, 0xa00, 0x242, 0x400, 0x842, 0x300,
0x200, 0x100, 0x080, 0x040, 0x020, 0x010, 0x008, 0x004,
0x002, 0x001, 0x012, 0x40a, 0x80a, 0x212, 0x00a, 0x006,
0x022, 0x900, 0x880, 0x840, 0x820, 0x810, 0x808, 0x804,
0x802, 0x801, 0x500, 0x480, 0x440, 0x420, 0x410, 0x408,
0x404, 0x402, 0x401, 0x280, 0x240, 0x220, 0x210, 0x208,
0x204, 0x202, 0x201, 0x082, 0x806, 0x822, 0x600, 0x282,
0x022, 0x900, 0x880, 0x840, 0x820, 0x810, 0x808, 0x804,
0x802, 0x801, 0x500, 0x480, 0x440, 0x420, 0x410, 0x408,
0x404, 0x402, 0x401, 0x280, 0x240, 0x220, 0x210, 0x208,
0x204, 0x202, 0x201, 0x082, 0x806, 0x822, 0x600, 0x282,
);
my @Rowchars = (
q{ }, q{ }, q{ }, '1', '2', '3', '4', '5', '6', '7', '8', '9'
);
my $Cols = 48;
my $Program = basename($0);
sub usage {
print "usage: $Program [-l] [string ...]\n";
exit EX_FAILURE;
}
sub bit {
return ($_[0] & (1 << $_[1]));
}
sub printcard {
my $str = shift;
my $len = length $str;
for (my $i = 0; $i < $len; $i += $Cols) {
printonecard(substr $str, $i, $Cols);
}
}
sub printonecard {
my $str = shift;
my $ustr = uc $str;
# top of card
print q{ }, '_' x $Cols, "\n";
# line of text. Leave a blank if the character doesn't have
# a hole pattern.
my @chars = unpack 'C*', $ustr;
print '/';
foreach my $p (@chars) {
if ($Holes[$p]) {
print chr($p);
} else {
print q{ };
}
}
my $remain = $Cols - scalar(@chars);
print q{ } x $remain, "|\n";
# 12 rows of potential holes; output a ']', which looks kind of
# like a hole, if the appropriate bit is set in the Holes[] table.
# The original bcd output a '[', a backspace, five control A's,
# and then a ']'. This seems a little excessive.
foreach my $row (0 .. 11) {
print '|';
foreach my $p (@chars) {
if (bit($Holes[$p], 11 - $row)) {
print ']';
} else {
print $Rowchars[$row];
}
}
foreach my $i (scalar(@chars) .. ($Cols - 1)) {
print $Rowchars[$row];
}
print "|\n";
}
# bottom of card
print '|', '_' x $Cols, "|\n";
}
MAIN: {
my %opt;
getopts('l', \%opt) or usage();
$Cols = 80 if $opt{'l'};
if (@ARGV) {
while (my $str = shift) {
printcard($str);
}
} else {
while (readline) {
printcard($_);
}
}
exit EX_SUCCESS;
}
__END__
=head1 NAME
bcd - format input as punch cards
=head1 SYNOPSIS
bcd [-l] [string ...]
=head1 DESCRIPTION
The bcd command reads input from either command line arguments or
the standard input. An ASCII art representation of punch card data
is produced.
=head2 OPTIONS
The following options are available:
=over 1
=item -l
Create punch cards with 80 columns. The default is 48 columns.
=back
=head1 AUTHOR
Written by Steve Hayman. Translated to Perl by Michael Mikonos.
=head1 COPYRIGHT
Copyright (c) 1989, 1993
The Regents of the University of California. All rights reserved.
This code is derived from software contributed to Berkeley by
Steve Hayman of the Indiana University Computer Science Dept.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
3. Neither the name of the University nor the names of its contributors
may be used to endorse or promote products derived from this software
without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
SUCH DAMAGE.