EnsureDir checks a file could be written to a path, creates the directories as needed.

FileExists reports whether the named file or directory exists.

GetWallet loads an arweave wallet JSON file from the provided path for connection with a specified arweave gateway endpoint.

HelpRequested returns true if any of the common types of help invocation are found as the first command line parameter/flag.

NewConfig creates a new Config struct and loads it from environment variables and .env file based on a configured ROOT_DIR/PROFILE directory location which can be overridden in the environment to refer to a custom location.

PrintHelp outputs a help text listing the configuration options and default values to a provided io.Writer (usually os.Stderr or os.Stdout).