swacli
picocli
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swacli
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Building Command Line Interfaces with Kotlin using picoCLI
The snippet and code used in this article are all directly taken from my swacli demo application. You can find the code on GitHub.
picocli
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GraalVM for JDK 21 is here
Picocli allows using a compiler annotation processor to generate classes at compile time instead [0].
[0]: https://github.com/remkop/picocli/blob/main/picocli-codegen/...
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Any library you would like to recommend to others as it helps you a lot? For me, mapstruct is one of them. Hopefully I would hear some other nice libraries I never try.
Picocli is a pretty good one for writing CLI apps
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“Why I develop on Windows”
"and there are simply no good command line input parsing libraries for Java."
Looks like author missed the most obvious and popular OSS one: https://picocli.info/
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Java 20 / JDK 20: General Availability
The command line example gave me the "ick". It is usually preferrable to parse the command line arguments into one instance of a custom "command class", rather than into a list of things. Like jcommander, picocli or jbock do.
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any opinion good or bed about a code that smells?
Complex argument parsing needs to be auto-generated by libraries like picocli. Even if you need something custom, it'd be quicker to write an Annotation processor from scratch than editing that file.
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Owl: A toolkit for writing command-line user interfaces in Elixir
https://github.com/remkop/picocli
"Picocli-based applications can be ahead-of-time compiled to a GraalVM native image, with extremely fast startup time and lower memory requirements, which can be distributed as a single executable file."
https://picocli.info/quick-guide.html
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Building a Java CLI. How can I make it more powershell-friendly
Using picocli to handle your command line options gives you the best chance to automatically generate an ArgumentCompleter script in the future, but won't help you today (other than possibly making your command line handling more standardized & easier).
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must known frameworks/libs/tech, every senior java developer must know(?)
Picocli
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🔍 Validate New-Caledonia Phone Numbers from cli ⌨️
Then we released a JBang! and picocli based cli that would be, on any OS running a jvm runtime :
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📲 Inspired by Twilio we started to build our own (pico)cli to send sms
picocli : "a mighty tiny command line interface"
What are some alternatives?
startship - Never open sonatype's website again for releasing your libraries on maven central.
Spring Shell 3 - Spring based shell
Design-Patterns-And-Principles - A collection of a number of design patterns and principles written in Kotlin
JCommander - Command line parsing framework for Java
InstaCLI - InstaCLI is a CLI client for 📷 Instagram.
args4j - args4j
clikt - Multiplatform command line interface parsing for Kotlin
Airline - Java annotation-based framework for parsing Git like command line structures
Graal - GraalVM compiles Java applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀
JLine - JLine is a Java library for handling console input.
JewelCLI - JewelCli uses an annotated interface definition to automatically parse and present command line arguments
kotlinx-cli - Pure Kotlin implementation of a generic CLI parser.