Cron: Tweet a Line Every 10-19 Minutes

Cron - Tweet a line every 30-40 mins:

*/10 * * * * perl -le 'sleep rand 540' && head -$[${RANDOM} \% `wc -l < /Users/username/lines.txt` + 1] /Users/username/lines.txt | tail -1 | ruby /Users/username/lines.rb

lines.rb - using standard input:

require 'json'
require 'oauth'

consumer_key = ''
consumer_secret = ''
access_token = ''
access_token_secret = ''

consumer = OAuth::Consumer.new(
consumer_key,
consumer_secret,
site:'https://api.twitter.com/'
)
endpoint = OAuth::AccessToken.new(consumer, access_token, access_token_secret)

# STATUS
status = STDIN.gets

# POST
response = endpoint.post('https://api.twitter.com/1.1/statuses/update.json', status: status )
result = JSON.parse(response.body)


Getting Random Line Number -1

Bash line to generate random line number from 1 to max - 1.
echo $(ruby -e 'print rand') $(wc -l < "./lines.txt") | awk '{printf("%d\n", $1*$2)}'

African American Inventors

Henry E. Baker

Benjamin Banneker

James Forten

Ben Montgomery

Norbert Rillieux

Jan Ernst Matzeliger

Elijah McCoy

George Franklin Grant

Lewis Howard Latimer

Granville Woods

Garrett Morgan

George Washington Carver

Madam C. J. Walker

Sarah E. Goode

Sarah Boone

Alice H. Parker

Patricia Bath

Ruby: Tweeting Using OAuth gem

Package needed:

gem install oauth

Ruby script: tweet.rb

require 'json'
require 'oauth'

consumer_key = '' # Your consumer key
consumer_secret = '' # Your consumer secret
access_token = '' # Your access token
access_token_secret = '' # Your access token secret

consumer = OAuth::Consumer.new(
consumer_key,
consumer_secret,
site:'https://api.twitter.com/'
)
endpoint = OAuth::AccessToken.new(consumer, access_token, access_token_secret)

# STATUS
status = ARGV[0]

# POST
response = endpoint.post('https://api.twitter.com/1.1/statuses/update.json', status: status )
result = JSON.parse(response.body)


Execute the ruby script:

ruby ./tweet.rb "Good morning! (おはようございます。)"

Generating Random Password

Generating 32-character random password

$ cat /dev/urandom | env LC_CTYPE=C tr -dc 'a-zA-Z0-9' | fold -w 32 | head -n 1

This is the same:

$ cat /dev/urandom | env LC_CTYPE=C tr -dc '[:alnum:]' | fold -w 32 | head -n 1

Generating Random 15-Character User Name

Generating random 15-character:

$ cat /dev/urandom | env LC_CTYPE=C tr -dc 'a-z0-9' | fold -w 15 | head -n 1

This is the same:

$ $ cat /dev/urandom | env LC_CTYPE=C tr -cd '[:lower:][:digit:]' | fold -w 15 | head -n 1

Walter Payton

Walter Payton

Lawrence Taylor: Crack and Cocaine Nearly Ruined His Life

Lawrence Taylor

Lawrence Taylor: NFL MVP

Lawrence Taylor

Lawrence Taylor: Highlights of New York Giants Hall of Fame Linebacker

Lawrence Taylor

Jim Brown: More racism now than any time in history

Jim Brown

• White supremacy (白人至上主義)

Jim Brown: Greatest Running Back Ever! Compilation

Jim Brown

Jim Brown: Highlights

Jim Brown

Jerry Rice: Rivalry with Deion Sanders

Jerry Rice