### Run pacproxy and configure environment

Source: https://github.com/williambailey/pacproxy/blob/master/README.md

Starts the proxy server with a custom PAC script and configures shell environment variables to route traffic through the local proxy.

```bash
# shell 1
pacproxy -c 'function FindProxyForURL(url, host){ console.log("hello pac world!"); return "PROXY random.example.com:8080"; }'
# shell 2
export http_proxy="127.0.0.1:8080"
export https_proxy="127.0.0.1:8080"
curl -I "http://www.example.com"
```

--------------------------------

### View pacproxy help output

Source: https://github.com/williambailey/pacproxy/blob/master/README.md

Displays the command-line interface usage, available flags, and version information.

```bash
$ ./pacproxy -h
pacproxy v2.0.7

A no-frills local HTTP proxy server powered by a proxy auto-config (PAC) file
https://github.com/williambailey/pacproxy

Usage:
  -c string
        PAC file name, url or javascript to use (required)
  -l string
        Interface and port to listen on (default "127.0.0.1:8080")
  -r string
        Resolve the proxies for the provided url to STDOUT and exit
  -v    send verbose output to STDERR
```

--------------------------------

### Resolve proxy for a URL

Source: https://github.com/williambailey/pacproxy/blob/master/README.md

Uses the -r flag to resolve the proxy for a specific URL based on the provided PAC script and outputs the result to STDOUT.

```bash
pacproxy -c 'function FindProxyForURL(url, host){ return "PROXY random.example.com:8080"; }' -r "http://www.example.com"
```

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