Helper library for writing unix command line utilities in Rust
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   This library provides helper functions for writing unix command-line
   utilities.

Features
--------

   progname
      Provides access to the name of the current program.
   err
      Prints messages to the standard error output.

Usage
-----

   Add a dependency entry to your Cargo.toml.

      [dependencies]
      unixcli = "0.1"

   Add the following to your crate root.

      extern crate unixcli;

Dependencies
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   Rust 1.15 or later is required to build.