ri: Ruby Interactive Reference
Advertisements
ri is a online reference tool developed by Dave Thomas, the famous pragmatic programmer.
When you have a question about the behavior of a certain method, you can invoke ri to read the brief explanation of the method.
You can get ri from ri: Ruby Interactive
Usage Syntax:
Here is simple syntax to use ri
ri [ options ] [ methodname... ]
Here is a complete list of options:
| SN | Command with Description |
|---|---|
| 1 | --version, -v Displays version and exits. |
| 2 | --line-length=n -l n Sets the line length for the output (minimum is 30 characters). |
| 3 | --synopsis -s Displays just a synopsis. |
| 4 | --format= name -f name Uses the name module (default is Plain) for output formatting. Here are the available modules:
name should be specified in any of the following forms:
|