Getting Started with jline-shell

The jline-shell module makes it easy to build interactive command-line applications. Here's a minimal example:

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Adding Commands

Define commands by extending AbstractCommand:

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The Shell.builder() API provides a fluent way to configure the shell:

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Method	Description
`.terminal(terminal)`	Set the terminal (auto-created if omitted)
`.prompt("myapp> ")`	Set a static prompt
`.prompt(() -> dynamicPrompt)`	Set a dynamic prompt
`.dispatcher(dispatcher)`	Set a custom command dispatcher
`.groups(group1, group2)`	Add command groups
`.parser(parser)`	Set a custom line parser
`.historyFile(path)`	Set the history file location
`.variable(name, value)`	Set a LineReader variable
`.option(Option.X, true)`	Set a LineReader option
`.onReaderReady(reader -> { })`	Callback after LineReader creation
`.jobManager(manager)`	Enable job control (background `&`, `jobs`/`fg`/`bg`)
`.aliasManager(manager)`	Enable alias system with `alias`/`unalias` commands
`.historyCommands(true)`	Add built-in `history` command
`.helpCommands(true)`	Add built-in `help` command
`.optionCommands(true)`	Add `setopt`/`unsetopt`/`setvar` commands
`.commandHighlighter(true)`	Enable command-aware syntax highlighting
`.pipelineParser(parser)`	Custom pipeline parser with custom operators
`.lineExpander(expander)`	Pluggable variable expansion (`$VAR`, `${VAR}`, `${VAR:-default}`, `~`)
`.variableCommands(true)`	Add built-in `set`/`unset`/`export` commands
`.scriptRunner(runner)`	Script file execution engine
`.scriptCommands(true)`	Add built-in `source` / `.` commands