Having trouble setting up Redis for ruby

Question

I am trying to play with redis on my Ubuntu machine and my little script doesn't work. I have installed redis gem and tried this little script (I know its pretty small)

require 'redis'
redis = Redis.new

I get this error :

./redis.rb:4: uninitialized constant Redis (NameError)
from redis.rb:2:in `require'
from redis.rb:2

when I comment the line 2, I dont get any problem. How come the class Redis is not recognized?

Taimoor Changaiz · Accepted Answer · 2023-01-24 14:51:02Z

4

Rename your file to something other than "redis.rb" (try redis_initializer.rb),

require 'redis'

redis = Redis.new

edited Jan 24, 2023 at 14:51

Taimoor Changaiz

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answered Sep 9, 2010 at 18:21

Carl

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2 Comments

fenec Over a year ago

just one last question : why redis.rb causes a conflict?

Carl Over a year ago

I believe it's because when you typed "require 'redis'" ruby actually tried loading your file you created called 'redis.rb'. It didn't look for the gem named 'redis', because it found a file called 'redis' in the script's directory. That's my best guess as to why.

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