Getting Started

The following steps will guide you through the process of installing and running Claptrap.

Install Claptrap:

Claptrap runs on Linux, BSD, macOS, and Windows. It can be installed from most common package managers, precompiled binaries, or source.
Terminal window
```
cargo install claptrap --locked
```
See the installation guide for details of how to install Claptrap on your system.

Create a script:

hello.sh:

#!/usr/bin/env bash

set -euo pipefail

eval "$(claptrap --spec - -- "$@" <<'SPEC'
  name = "hello"
  [args]
  name = { short = 'n', long = "name", default-value = "world" }
SPEC
)"

echo "hello, ${claptrap_name}!"

Make the script executable:
Terminal window
```
chmod +x hello.sh
```
Run the script:
Terminal window
```
$ ./hello.sh -n fuji
hello, fuji!
```