File: cowsay

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cowsay 3.03%2Bdfsg1-4
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#!/usr/bin/perl

##
## Cowsay 3.03
##
## This file is part of cowsay.  (c) 1999-2000 Tony Monroe.
##

use Text::Tabs qw(expand);
use Text::Wrap qw(wrap fill $columns);
use File::Basename;
use Getopt::Std;
use Cwd;

if (${^UTF8LOCALE}) {
    binmode STDIN, ':utf8';
    binmode STDOUT, ':utf8';
    require Encode;
    eval { $_ = Encode::decode_utf8($_,1) } for @ARGV;
}

$version = "3.03";
$progname = basename($0);
Cow say
See Cowsay variables are declared here
$eyes = "oo"; $tongue = " "; $cowpath = $ENV{'COWPATH'} || '/usr/share/cowsay/cows'; @message = (); $thoughts = ""; ## Yeah, this is rude, I know. But hopefully it gets around a nasty ## little version dependency. $Text::Wrap::initial_tab = 8; $Text::Wrap::subsequent_tab = 8; $Text::Wrap::tabstop = 8; ## One of these days, we'll get it ported to Windows. Yeah, right. if (($^O eq "MSWin32") or ($^O eq "Windows_NT")) { ## Many perls, eek! $pathsep = ';'; } else { $pathsep = ':'; } %opts = ( 'e' => 'oo', 'f' => 'default.cow', 'n' => 0, 'T' => ' ', 'W' => 40, ); getopts('bde:f:ghlLnNpstT:wW:y', \%opts); &display_usage if $opts{'h'}; &list_cowfiles if $opts{'l'}; $borg = $opts{'b'}; $dead = $opts{'d'}; $greedy = $opts{'g'}; $paranoid = $opts{'p'}; $stoned = $opts{'s'}; $tired = $opts{'t'}; $wired = $opts{'w'}; $young = $opts{'y'}; $eyes = substr($opts{'e'}, 0, 2); $tongue = substr($opts{'T'}, 0, 2); $the_cow = ""; &slurp_input; $Text::Wrap::columns = $opts{'W'}; @message = ($opts{'n'} ? expand(@message) : split("\n", fill("", "", @message))); &construct_balloon; &construct_face; &get_cow; print @balloon_lines; print $the_cow; sub list_cowfiles { my $basedir; my @dirfiles; chop($basedir = cwd); for my $d (split(/$pathsep/, $cowpath)) { print "Cow files in $d:\n"; opendir(COWDIR, $d) || die "$0: Cannot open $d\n"; for my $file (readdir COWDIR) { if ($file =~ s/\.cow$//) { push(@dirfiles, $file); } } closedir(COWDIR); print wrap("", "", sort @dirfiles), "\n"; @dirfiles = (); chdir($basedir); } exit(0); } sub slurp_input { unless ($ARGV[0]) { chomp(@message = <STDIN>); } else { &display_usage if $opts{'n'}; @message = join(' ', @ARGV); } } sub maxlength { my ($l, $m); $m = -1; for my $i (@_) { $l = length $i; $m = $l if ($l > $m); } ## maxlength patch from Jeronimo Pellegrini (Closes: #165218) if ($m == -1) { $m = 0; } return $m; } sub construct_balloon { my $max = &maxlength(@message); my $max2 = $max + 2; ## border space fudge. my $format = "%s %-${max}s %s\n"; my @border; ## up-left, up-right, down-left, down-right, left, right if ($0 =~ /think/i) { $thoughts = 'o'; @border = qw[ ( ) ( ) ( ) ]; } elsif (@message < 2) { $thoughts = '\\'; @border = qw[ < > ]; } else { $thoughts = '\\'; if ($V and $V gt v5.6.0) { # Thanks, perldelta. @border = qw[ / \\ \\ / | | ]; } else { @border = qw[ / \ \ / | | ]; } } ## no trailing spaces (#276144) push(@balloon_lines, " " . ("_" x $max2) . "\n" , sprintf($format, $border[0], $message[0], $border[1]), (@message < 2 ? "" : map { sprintf($format, $border[4], $_, $border[5]) } @message[1 .. $#message - 1]), (@message < 2 ? "" : sprintf($format, $border[2], $message[$#message], $border[3])), " " . ("-" x $max2) . "\n" ); } sub construct_face { if ($borg) { $eyes = "=="; } if ($dead) { $eyes = "xx"; $tongue = "U "; } if ($greedy) { $eyes = "\$\$"; } if ($paranoid) { $eyes = "@@"; } if ($stoned) { $eyes = "**"; $tongue = "U "; } if ($tired) { $eyes = "--"; } if ($wired) { $eyes = "OO"; } if ($young) { $eyes = ".."; } } sub get_cow { ## ## Get a cow from the specified cowfile; otherwise use the default cow ## which was defined above in $the_cow. ## my $f = $opts{'f'}; my $full = ""; if ($opts{'f'} =~ m,/,) { $full = $opts{'f'}; } else { for my $d (split(/:/, $cowpath)) { if (-f "$d/$f") { $full = "$d/$f"; last; } elsif (-f "$d/$f.cow") { $full = "$d/$f.cow"; last; } } if ($full eq "") { die "$progname: Could not find $f cowfile!\n"; } } do $full; die "$progname: $@\n" if $@; } sub display_usage { die <<EOF; cow{say,think} version $version, (c) 1999 Tony Monroe Usage: $progname [-bdgpstwy] [-h] [-e eyes] [-f cowfile] [-l] [-n] [-T tongue] [-W wrapcolumn] [message] EOF }