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redis
1. Example
2. License

redis

This page is maintained in the package's github repository.

Fast bindings to redis using hiredis. Note that you will need to fetch the git submodules in this package. These bindings provide only the synchronous API and at the moment do not provide timeouts.

[procedure] (redis-connect hostname port)

Connect to a redis host, will produce an error if the connection fails. Returns an opaque pointer to the redis context.

[procedure] (redis-command context string)

Send the string as a command to redis and parse the reply. Arrays are converted into lists. Due to a bug in hiredis if your command has a string argument which contains whitespace you need to use redis-command* instead as it is impossible to correctly escape whitespace characters. If you want to pass in binary data you should also look at redis-command* instead.

[procedure] (redis-command* context command . arguments)

Like redis-command but separately specifies the command and each of its arguments. When you have a string argument which contains whitespace you must use this function instead of redis-command because of a bug in hiredis.

Example

   (redis-command (redis-connect "127.0.0.1" 6379) "keys *")

This will produce a list of strings, the keys in the redis database.

   (begin (redis-command* (redis-connect "127.0.0.1" 6379) "hset" "a" "b" "x y z")
          (redis-command* (redis-connect "127.0.0.1" 6379) "hget" "a" "b"))

Set key b in hash table a to a string which may contain whitespace and retrieve that string.

License

Contact Andrei Barbu at andrei@0xab.com.

This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program. If not, see http://www.gnu.org/licenses.