var randu = require( '@stdlib/random-base-randu' );
var randint = require( '@stdlib/random-base-discrete-uniform' );
var string2buffer = require( '@stdlib/buffer-from-string' );

// Create a buffer from a string:
var buf = string2buffer( 'beep boop bop' );
console.log( buf.toString() );

// Generate random strings...
var i;
var j;
for ( i = 0; i < 100; i++ ) {
    j = randint( 0, buf.length );
    if ( randu() < 2/buf.length ) {
        buf[ j ] = 32; // space
    } else {
        buf[ j ] = randint( 97, 122 );
    }
    console.log( buf.toString() );
}