chicken.pl

#!/usr/bin/perl -w
use strict;
use Getopt::Long;

my $VERSION = '5.0';

sub USAGE {
    print <<"eof";

usage: $0 [options]

  --numberofwords -nw <n[-m]> : number of words, ranged from n to m
  --enumerate -en     <n>     : create a list of arguments
  --printchickenversion       : print out "$VERSION"

eof
    exit;
}

our %OPT;

my $opt_version                 = 0;
my $opt_numberOfWords           = -1;
my $opt_numberOfWordsRange      = '15-75';
my $opt_numberOfWordsRangeStart = 0;
my $numberOfWords               = 0;

my ( $f, $t ) = ( 0, 0 );
my $opt_enumerate = 0;

GetOptions(
    'numberofwords|nw=s'  => \$opt_numberOfWordsRange,
    'enumerate|en=i'      => \$opt_enumerate,
    'printchickenversion' => \$opt_version,
) or USAGE;

if ($opt_version) {
    print $VERSION. "\n";
    exit;
}

my @WORDS = ( "puk", "pukaak", "cluck", "cluckity", "bwak", "waak", "bok", "bwok", "cluck-a-buh-gawk", "cock-a-doodle-doo", "bwwwaak", "gobble", "honk" );

my @PUNCTUATIONS = ( ".", "...", "!", "?" );

if ( $opt_numberOfWordsRange =~ m/^\d+$/ ) {
    $opt_numberOfWords = $opt_numberOfWordsRange;
}
elsif ( $opt_numberOfWordsRange =~ m/^\d+-\d+$/ ) {
    ( $f, $t ) = split( /-/, $opt_numberOfWordsRange, 2 );
}
else {
    print STDERR "wrong format for --numberofwords\n";
    print STDERR "should be either 'n' or 'n-m'. ( '-nw 50' or '-nw 30-90''\n";
    exit;
}

my $enumerate = ($opt_enumerate) ? $opt_enumerate : 1;

for ( my $e = 0; $e < $enumerate; $e++ ) {

    if ( $opt_numberOfWords >= 0 ) {
        $numberOfWords = $opt_numberOfWords;
    }
    else {
        $numberOfWords = int( rand( abs( $f - $t ) + 1 ) + ( ( $f < $t ) ? $f : $t ) );
    }

    # generate paragraph, with random words, capitalization, and punctuation.
    my $paragraph                  = "";
    my $previousWordHadPunctuation = 0;
    for ( my $i = 0; $i < $numberOfWords; $i++ ) {

        # pick a random word

        my $word = $WORDS[ int( rand( scalar @WORDS ) ) ];

        # magic multiplier
        $word = join( "-", ($word) x ( 4 - int( ( log( rand(7) + 1 ) / log(2) ) + 1 ) ) );

        # even more magical multiplier
        $word =~ s/([aou]){2,}?/$1 x (rand(7)+1)/ge;

        # optionally add punctuation
        # note: always add punctuation if it's the last word.

        my $shouldAddPunctuation = $i == $numberOfWords - 1 || rand() > 0.9;
        my $punctuation          = $shouldAddPunctuation ? $PUNCTUATIONS[ int( rand( scalar @PUNCTUATIONS ) ) ] : "";
        $word = $word . $punctuation;

        # optionally capitalize the word
        # note: always capitalize if it's the first words, or if preceded by punctuation
        my $shouldCapitalize = $i == 0 || $previousWordHadPunctuation || rand() > 0.7;

        $word = $shouldCapitalize ? uc( substr( $word, 0, 1 ) ) . substr( $word, 1 ) : $word;

        # preserve info for next iteration
        $previousWordHadPunctuation = $shouldAddPunctuation;

        # add word to paragraph
        $paragraph = $paragraph . $word;

        # if not last one, add a space
        $paragraph = $i == $numberOfWords - 1 ? $paragraph : $paragraph . " ";
    }

    if ($opt_enumerate) {
        printf "%d. ", $e + 1;
    }
    print $paragraph;
    print "\n";

}