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README.md

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echo

echo is a basic command showing the usage of a single command with a handler, flags, and positional arguments.

Build & Run

go build

Usage

$ ./echo
Usage: ./echo [OPTIONS] COMMAND

Example command

Options:
  -verbose
        Enable verbose output

Subcommands:
  echo

$ ./echo echo -h
Usage: ./echo echo [OPTIONS]

Options:
  -case string
        Case to use (upper, lower)
  -verbose
        Enable verbose output

$ ./echo echo -verbose -case upper Hello, World!
command echo called with case: upper
HELLO, WORLD!