Syntax
Parameters
| Parameter | Description | Type | Required |
|---|
message | A string of characters, numbers, or a mix of both to print | String / Number | Yes |
Return values
| Condition | Return Value |
|---|
| Command is successful | The message passed as a parameter |
| Syntax or specified constraints are invalid | error |
Errors
Syntax Error:
- Error Message:
(error) ERR wrong number of arguments for 'echo' command
- Occurs if the command is called with additional or fewer parameters than required
Example Usage
Valid usage
127.0.0.1:7379> ECHO "DiceDB is very efficient"
"DiceDB is very efficient"
Invalid Usage
`(error) ERROR wrong number of arguments for 'echo' command`
127.0.0.1:7379> ECHO "DiceDB is" "very efficient"
(error) ERROR wrong number of arguments for 'echo' command`
Conclusion
In DiceDB, the ECHO command accepts only one message string and prints it. If no message or more than one message is provided, it results in an error
