Swift Scripts: Zero to Hero
summary
Shows how to build a real Swift command‑line tool using Swift Package Manager executables, explains the role of main.swift, argument parsing with ArgumentParser, and handling inputs via CommandLine.arguments, FileHandle pipelines and Process.environment. Demonstrates interactive readline use, exit codes, and a progress UI from swift‑tools‑support‑core for terminal feedback. Covers packaging: build with swift build -c release, copy the resulting binary from .build/release into /usr/local/bin, and confirms the executable runs as expected.
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chapters (14)
- 0:00Intro
- 1:40CREATING AN EXECUTABLE
- 2:16THE PACKAGE STRUCTURE
- 3:15PACKAGE.SWIFT
- 4:47BUILD RUN TEST
- 6:02LAUNCH ARGUMENTS
- 8:34INTERACTIVE
- 9:38ENVIRONMENT VARIABLES
- 11:06PIPELINE MESSAGES
- 14:24ARGUMENTPARSER
- 18:34SWIFTTOOLSSUPPORT'S
- 19:11ADDING A DEPENDENCY 2
- 19:38PROGRESS STATE
- 21:59USE THE SCRIPT ANYWHERE
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