Generate English-like random paragraphs

englike.go

package main

import (
	"fmt"
	"math/rand"
	"strings"
	"time"
)

func main() {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))

	// https://en.wikipedia.org/wiki/Letter_frequency
	vowels := "aaaaaaaaeeeeeeeeeeeeiiiiiiiooooooouuu"
	consonants := "qwwrrrrrrtttttttttyyppssssssddddffgghhhhhhjkllllzxcccvbnnnnnnnmm"

	minWordLen := 2
	maxWordLen := 7
	sentenceCount := r.Intn(5) + 3

	paragraph := ""
	for s := 0; s < sentenceCount; s++ {
		wordCount := r.Intn(6) + 4
		sentence := ""
		for w := 0; w < wordCount; w++ {
			wordLen := r.Intn(maxWordLen+minWordLen) + minWordLen
			for c := 0; c < wordLen; c++ {
				var char byte
				if c%2 == 0 {
					char = consonants[r.Intn(len(consonants)-1)]
				} else {
					char = vowels[r.Intn(len(vowels)-1)]
				}
				if w == 0 && c == 0 {
					sentence += strings.ToUpper(string(char))
				} else {
					sentence += string(char)
				}
			}
			sentence += " "
		}
		paragraph += strings.Trim(sentence, " ") + ". "
	}

	fmt.Println(paragraph)
}

englike.php

#!/usr/bin/php
<?php
# https://en.wikipedia.org/wiki/Letter_frequency
$vowels = 'aaaaaaaaeeeeeeeeeeeeiiiiiiiooooooouuu';
$consonants = 'qwwrrrrrrtttttttttyyppssssssddddffgghhhhhhjkllllzxcccvbnnnnnnnmm';

$minWordLen = 2;
$maxWordLen = 7;
$sentenceCount = rand(3, 8);

$paragraph = '';
for ($s = 0; $s < $sentenceCount; $s++) {
    $wordCount = rand(4, 10);
    $sentence = '';
    for ($w = 0; $w < $wordCount; $w++) {
        $wordLen = rand($minWordLen, $maxWordLen);
        for ($c = 0; $c < $wordLen; $c++) {
            if ($c % 2 == 0) {
                $char = str_shuffle($consonants)[0];
            } else {
                $char = str_shuffle($vowels)[0];
            }
            $sentence .= $char;
        }
        $sentence .= ' ';
    }
    $paragraph .= ucfirst(trim($sentence)) . '. ';
}
echo $paragraph, "\n";

englike.py

#!/usr/bin/python
import random

# https://en.wikipedia.org/wiki/Letter_frequency
vowels = 'aaaaaaaaeeeeeeeeeeeeiiiiiiiooooooouuu'
consonants = 'qwwrrrrrrtttttttttyyppssssssddddffgghhhhhhjkllllzxcccvbnnnnnnnmm'

minWordLen = 2
maxWordLen = 7
sentenceCount = random.randint(3, 8)

paragraph = ''
for s in range(sentenceCount):
    wordCount = random.randint(4, 10)
    sentence = ''
    for w in range(wordCount):
        wordLen = random.randint(minWordLen, maxWordLen)
        for c in range(wordLen):
            if c % 2 == 0:
                char = random.choice(consonants)
            else:
                char = random.choice(vowels)
            sentence += char
        sentence += ' '
    paragraph += sentence.strip().capitalize() + '. '

print(paragraph)