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< title > Wren-CLI Manual</ title >
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< h1 >< a href = "index.html" > Wren-CLI</ a ></ h1 >
< div class = "version" > v0.4.0</ div >
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< span class = "section-title" > Getting Started</ span >
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< li >< a href = "getting-started/index.html" > Overview</ a ></ li >
< li >< a href = "getting-started/installation.html" > Installation</ a ></ li >
< li >< a href = "getting-started/first-script.html" > First Script</ a ></ li >
< li >< a href = "getting-started/repl.html" > Using the REPL</ a ></ li >
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< span class = "section-title" > Language</ span >
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< li >< a href = "language/index.html" > Syntax Overview</ a ></ li >
< li >< a href = "language/classes.html" > Classes</ a ></ li >
< li >< a href = "language/methods.html" > Methods</ a ></ li >
< li >< a href = "language/control-flow.html" > Control Flow</ a ></ li >
< li >< a href = "language/fibers.html" > Fibers</ a ></ li >
< li >< a href = "language/modules.html" > Modules</ a ></ li >
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< span class = "section-title" > API Reference</ span >
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< li >< a href = "api/index.html" > Overview</ a ></ li >
< li >< a href = "api/http.html" > http</ a ></ li >
< li >< a href = "api/websocket.html" > websocket</ a ></ li >
< li >< a href = "api/tls.html" > tls</ a ></ li >
< li >< a href = "api/net.html" > net</ a ></ li >
< li >< a href = "api/dns.html" > dns</ a ></ li >
< li >< a href = "api/json.html" > json</ a ></ li >
< li >< a href = "api/base64.html" > base64</ a ></ li >
< li >< a href = "api/regex.html" > regex</ a ></ li >
< li >< a href = "api/jinja.html" > jinja</ a ></ li >
< li >< a href = "api/crypto.html" > crypto</ a ></ li >
< li >< a href = "api/os.html" > os</ a ></ li >
< li >< a href = "api/env.html" > env</ a ></ li >
< li >< a href = "api/signal.html" > signal</ a ></ li >
< li >< a href = "api/subprocess.html" > subprocess</ a ></ li >
< li >< a href = "api/sqlite.html" > sqlite</ a ></ li >
< li >< a href = "api/datetime.html" > datetime</ a ></ li >
< li >< a href = "api/timer.html" > timer</ a ></ li >
< li >< a href = "api/io.html" > io</ a ></ li >
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< li >< a href = "api/pathlib.html" > pathlib</ a ></ li >
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< li >< a href = "api/scheduler.html" > scheduler</ a ></ li >
< li >< a href = "api/math.html" > math</ a ></ li >
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< span class = "section-title" > Tutorials</ span >
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< li >< a href = "tutorials/index.html" > Tutorial List</ a ></ li >
< li >< a href = "tutorials/http-client.html" > HTTP Client</ a ></ li >
< li >< a href = "tutorials/websocket-chat.html" > WebSocket Chat</ a ></ li >
< li >< a href = "tutorials/database-app.html" > Database App</ a ></ li >
< li >< a href = "tutorials/template-rendering.html" > Templates</ a ></ li >
< li >< a href = "tutorials/cli-tool.html" > CLI Tool</ a ></ li >
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< span class = "section-title" > How-To Guides</ span >
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< li >< a href = "howto/index.html" > How-To List</ a ></ li >
< li >< a href = "howto/http-requests.html" > HTTP Requests</ a ></ li >
< li >< a href = "howto/json-parsing.html" > JSON Parsing</ a ></ li >
< li >< a href = "howto/regex-patterns.html" > Regex Patterns</ a ></ li >
< li >< a href = "howto/file-operations.html" > File Operations</ a ></ li >
< li >< a href = "howto/async-operations.html" > Async Operations</ a ></ li >
< li >< a href = "howto/error-handling.html" > Error Handling</ a ></ li >
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< h1 > Wren-CLI Manual</ h1 >
< p > A complete reference for the Wren scripting language command-line interface with networking, async I/O, and extended module support.</ p >
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< a href = "getting-started/index.html" class = "primary-btn" > Get Started</ a >
< a href = "api/index.html" class = "secondary-btn" > API Reference</ a >
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< article >
< h2 > What is Wren-CLI?</ h2 >
< p > Wren-CLI is a command-line interface for the < a href = "https://wren.io" > Wren programming language</ a > , extended with powerful modules for networking, file I/O, databases, and more. It provides an async event loop powered by libuv, making it suitable for building servers, automation scripts, and command-line tools.</ p >
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< div class = "card" >
< h3 >< a href = "getting-started/index.html" > Getting Started</ a ></ h3 >
< p > Install Wren-CLI, write your first script, and learn the basics of the language.</ p >
</ div >
< div class = "card" >
< h3 >< a href = "language/index.html" > Language Reference</ a ></ h3 >
< p > Learn about classes, methods, control flow, fibers, and the module system.</ p >
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< div class = "card" >
< h3 >< a href = "api/index.html" > API Reference</ a ></ h3 >
< p > Complete documentation for all 21 built-in modules including HTTP, WebSocket, and SQLite.</ p >
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< div class = "card" >
< h3 >< a href = "tutorials/index.html" > Tutorials</ a ></ h3 >
< p > Step-by-step guides for building real applications with Wren-CLI.</ p >
</ div >
</ div >
< h2 > Available Modules</ h2 >
< p > Wren-CLI provides a rich set of modules for common programming tasks:</ p >
< h3 > Networking</ h3 >
< div class = "module-grid" >
< a href = "api/http.html" class = "module-card" > http</ a >
< a href = "api/websocket.html" class = "module-card" > websocket</ a >
< a href = "api/tls.html" class = "module-card" > tls</ a >
< a href = "api/net.html" class = "module-card" > net</ a >
< a href = "api/dns.html" class = "module-card" > dns</ a >
</ div >
< h3 > Data Processing</ h3 >
< div class = "module-grid" >
< a href = "api/json.html" class = "module-card" > json</ a >
< a href = "api/base64.html" class = "module-card" > base64</ a >
< a href = "api/regex.html" class = "module-card" > regex</ a >
< a href = "api/jinja.html" class = "module-card" > jinja</ a >
< a href = "api/crypto.html" class = "module-card" > crypto</ a >
</ div >
< h3 > System</ h3 >
< div class = "module-grid" >
< a href = "api/os.html" class = "module-card" > os</ a >
< a href = "api/env.html" class = "module-card" > env</ a >
< a href = "api/signal.html" class = "module-card" > signal</ a >
< a href = "api/subprocess.html" class = "module-card" > subprocess</ a >
< a href = "api/io.html" class = "module-card" > io</ a >
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< a href = "api/pathlib.html" class = "module-card" > pathlib</ a >
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< h3 > Data & Time</ h3 >
< div class = "module-grid" >
< a href = "api/sqlite.html" class = "module-card" > sqlite</ a >
< a href = "api/datetime.html" class = "module-card" > datetime</ a >
< a href = "api/timer.html" class = "module-card" > timer</ a >
< a href = "api/math.html" class = "module-card" > math</ a >
< a href = "api/scheduler.html" class = "module-card" > scheduler</ a >
</ div >
< h2 > Quick Example</ h2 >
< pre >< code > import "http" for Http
import "json" for Json
var response = Http.get("https://api.github.com/users/wren-lang")
var data = Json.parse(response.body)
System.print("User: %(data["login"])")
System.print("Repos: %(data["public_repos"])")</ code ></ pre >
< h2 > Features</ h2 >
< ul >
< li >< strong > Async I/O</ strong > - Non-blocking operations powered by libuv</ li >
< li >< strong > HTTP/HTTPS</ strong > - Full HTTP client with TLS support</ li >
< li >< strong > WebSocket</ strong > - Client and server WebSocket support</ li >
< li >< strong > SQLite</ strong > - Embedded database for persistent storage</ li >
< li >< strong > Templates</ strong > - Jinja2-compatible template engine</ li >
< li >< strong > Regex</ strong > - Full regular expression support</ li >
< li >< strong > Cross-platform</ strong > - Runs on Linux, macOS, and FreeBSD</ li >
</ ul >
</ article >
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