The Ballerina Tool is your one-stop-shop for all the things you do in Ballerina.
Use the Ballerina tool
The Ballerina Tool is a command-line tool for managing Ballerina source code. It helps you to manage Ballerina packages and modules, test, build, and run programs, etc.
It also enables you to easily install, update, and switch among Ballerina distributions.
In the CLI, execute the
bal help command to view all the actions you can perform with the Ballerina Tool as shown below.
You can use it in the following format.
bal <COMMAND> <ARGUMENTS>
Tip: You can view details of the commands by executing the
bal help <COMMAND>. For example, the following is the output of the
bal help pullcommand.
These everyday commands are your best friends! They address the very basics of programming in Ballerina such as compiling, running, testing programs, and generating their documentation.
|build||Compile a standalone |
|run||Build and run a standalone |
|test||Run tests of a Ballerina package. For more information, see Testing a Simple Function.|
|doc||Generate API documents for all public symbols of a Ballerina package. For more information, see Generating code documentation.|
|pack||Create the distribution format (|
Ballerina packages are the way to organize real-world Ballerina development tasks. The last 3 commands given below allow you to work with the Ballerina Central and also to share Ballerina packages with others in a safe, secure, and dependable way.
|new||Create a Ballerina package. For more information, see Create a new package.|
|init||Create a new Ballerina package in the current directory.|
|add||Add a new module to the current package.|
|pull||Pull a package from Ballerina Central.|
|push||Publish a package to Ballerina Central. For more information, see Publish packages to Ballerina Central.|
|search||Search Ballerina Central for packages.|
|semver||Validate SemVer compatibility of the local package changes against any previously published version(s) in Ballerina Central.|
|graph||Print the dependency graph in the console.|
These powerful supporting tools extend Ballerina to various ecosystem technologies that are inherently cloud-native. This functionality will grow over time and will even be developer extensible in the future.
|clean||Clean all artifacts generated by the build command for a package.|
|format||Format Ballerina source files as per the Coding Conventions.|
|grpc||This is the gRPC stub/skeleton generation tool. For more information, see gRPC/Protocol Buffers.|
|graphql||This is the GraphQL client generation tool. For more information, see Ballerina GraphQL client tool support.|
|openapi||This is the OpenAPI (Swagger) stub/skeleton generation tool. For more information, see Ballerina OpenAPI support.|
|asyncapi||Tool to generate Ballerina sources for a given AsyncAPI definition. For more information, see Ballerina AsyncAPI support.|
|bindgen||Use this tool for auto-generating Ballerina bridge code for Java APIs. For more information, see Call Java code from Ballerina.|
|shell||Use this to run a REPL instance of Ballerina and execute small snippets of code.|
|version||Tells you the version of the distribution you are currently using, the language specification version on which it is based, and the update tool version, which is currently in use.|
|help||Prints the usage details of any Ballerina command (e.g., |
|dist||Manage Ballerina distributions. For more information, see Update Tool.|
|update||Update the Ballerina Tool. For more information, see Update Tool.|