CPSC 473 - Redis Ruby Script - H3 - Katie Soto

KSoto-redis_script.rb

# Katie Soto
# CPSC 473, CSUF, 2/2012
# Create a Ruby script that mimics the "Try Redis" tutorial on http://try.redis-db.com/

require 'sinatra'
require 'redis'

redis = Redis.new

redis.flushdb

p 'Setting \'server:name\' to \'fido\'...'
redis.set 'server:name', 'fido'

p 'Value of \'server:name\' is... '
p redis['server:name']

p 'Setting \'connections\' to \'10\'...'
redis.set 'connections', '10'

p 'Incrementing \'connections\'...'
p redis.incr 'connections'

p 'Incrementing \'connections\' again...'
p redis.incr 'connections'

p 'Deleting \'connections\'...'
redis.del('connections')

p 'Incrementing \'connections\'...'
p redis.incr 'connections'

p 'Setting \'resource:lock\' to \'Redis Demo\'...'
redis.set 'resource:lock', 'Redis Demo'

p 'Setting Expiration of \'resource:lock\' to 120 seconds...'
redis.expire 'resource:lock', 120

p 'Getting the Time to Live of \'resource:lock\'...'
p redis.ttl 'resource:lock'

p 'Getting the Time to Live of \'count\'...'
p redis.ttl 'count'

p 'Setting \'resource:lock\' to \'Redis Demo 1\'...'
redis.set 'resource:lock', 'Redis Demo 1'

p 'Setting Expiration of \'resource:lock\' to 120 seconds...'
redis.expire 'resource:lock', 120

p 'Getting the Time to Live of \'resource:lock\'...'
p redis.ttl 'resource:lock'

p 'Setting \'resource:lock\' again resets the ttl timer:'
redis.set 'resource:lock', 'Redis Demo 2'
p redis.ttl 'resource:lock'

p 'Pushing \'Tom\' to the end of the \'friends\' list...'
redis.rpush 'friends', 'Tom'

p 'Pushing \'Bob\' to the end of the \'friends\' list...'
redis.rpush 'friends', 'Bob'

p 'Pushing \'Sam\' to the start of the  \'friends\' list...'
redis.lpush 'friends', 'Sam'

p 'Retrieving all elements of the \'friends\' list...'
p redis.lrange 'friends', 0, -1

p 'Retrieving the first and second elements of the \'friends\' list...'
p redis.lrange 'friends', 0, 1

p 'Retrieving the second and third elements of the \'friends\' list...'
p redis.lrange 'friends', 1, 2

p 'Retrieving the current length of the list \'friends\'...'
p redis.llen 'friends'

p 'Popping (and returning) the first element from the list \'friends\'...'
p redis.lpop 'friends'

p 'Popping (and returning) the last element from the list \'friends\'...'
p redis.rpop 'friends'

p 'Retrieving the current length of the list \'friends\'...'
p redis.llen 'friends'

p 'Retrieving all elements of the \'friends\' list...'
p redis.lrange 'friends', 0, -1

p 'Adding \'flight\' to the \'superpowers\' set...'
redis.sadd 'superpowers', 'flight'

p 'Adding \'x-ray vision\' to the \'superpowers\' set...'
redis.sadd 'superpowers', 'x-ray vision'

p 'Adding \'reflexes\' to the \'superpowers\' set...'
redis.sadd 'superpowers', 'reflexes'

p 'Removing \'reflexes\' from the \'superpowers\' set...'
redis.srem 'superpowers', 'reflexes'

p 'Is \'flight\' a member of the set \'superpowers\'?'
p redis.sismember 'superpowers', 'flight'

p 'Is \'reflexes\' a member of the set \'superpowers\'?'
p redis.sismember 'superpowers', 'reflexes'

p 'Retrieving all members of the set \'superpowers\'...'
p redis.smembers 'superpowers'

p 'Adding \'pecking\' to the \'birdpowers\' set...'
redis.sadd 'birdpowers', 'pecking'

p 'Adding \'flight\' to the \'birdpowers\' set...'
redis.sadd 'birdpowers', 'flight'

p 'Retrieving the union of \'superpowers\' and \'birdpowers\'...'
p redis.sunion 'superpowers', 'birdpowers'

p 'Adding \'Alan Kay\' with score 1940 to the \'hackers\' sorted set...'
redis.zadd 'hackers', 1940, 'Alan Kay'

p 'Adding \'Richard Stallman\' with score 1953 to the \'hackers\' sorted set...'
redis.zadd 'hackers', 1953, 'Richard Stallman'

p 'Adding \'Yukihiro Matsumoto\' with score 1965 to the \'hackers\' sorted set...'
redis.zadd 'hackers', 1965, 'Yukihiro Matsumoto'

p 'Adding \'Claude Shannon\' with score 1916 to the \'hackers\' sorted set...'
redis.zadd 'hackers', 1916, 'Claude Shannon'

p 'Adding \'Linus Torvalds\' with score 1969 to the \'hackers\' sorted set...'
redis.zadd 'hackers', 1969, 'Linus Torvalds'

p 'Adding \'Alan Turing\' with score 1912 to the \'hackers\' sorted set...'
redis.zadd 'hackers', 1912, 'Alan Turing'

p 'Retrieving the third through fifth hackers of the sorted set...'
p redis.zrange 'hackers', 2, 4

awesome, if I do say so myself