Redis Mass Insertion with newlines in values

Question

I am trying to generate a file for mass insertion in shape:

SET Key0 Value0
SET Key1 Value1
...
SET KeyN ValueN

In my case, I have newlines in values. How to write values in this case since \n means new command. Can I use quotation mark to wrap a value with a newline character?

Yes, you can. Why don't try it instead of posting a question? If you fail, come back with the details :) — Itamar Haber
– Itamar Haber, Commented Mar 2, 2018 at 13:14
I wrap my values like this SET key "value with \n in between" but I still get ERR unknown command. It looks like that Redis still interpret newlines inside values as a start of the new command. So how can I wrap values with newlines inside that will not raise this error. — Primoz
– Primoz, Commented Mar 2, 2018 at 13:53

Itamar Haber · Accepted Answer · 2018-03-02 17:02:24Z

3

Redis doesn't care about what you store as string values. What may be getting in your way is the client/programming language that you're using.

For example, the below is the output of using the redis-cli tool that ships with Redis:

$ redis-cli
127.0.0.1:6379> SET foo "1st\n2nd"
OK
127.0.0.1:6379> GET foo
"1st\n2nd"
127.0.0.1:6379> QUIT
$ redis-cli --raw
127.0.0.1:6379> GET foo
1st
2nd

answered Mar 2, 2018 at 17:02

Itamar Haber

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2 Comments

Primoz Over a year ago

Thank you for explaining. My problem was that I did not escape newlines when writing insertion file in Python. Newlines need to be written as a string "\n" inside value and not as a real newline.

Itamar Haber Over a year ago

Ah - that's why it's always good to attach the code to the question :)

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