What?

A minimalistic, pure-Ruby HTTP/HTTPS/FTP file downloader library with a command line interface.

Usage

HTTP/HTTPS/FTP File Downloader, v0.2.0
Usage: nabit URL [FILE]

  URL   http/https/ftp location of the file to download
  FILE  local path at which to save downloaded file


influential environment variables:

  HTTP_PROXY    url to http proxy
  CA_CERT_FILE  full path to CA certificate file

CLI Usage Examples

cd %USERPROFILE%\Downloads
nabit http://pyyaml.org/download/libyaml/yaml-0.1.4.tar.gz

nabit http://sqlite.org/sqlite-autoconf-3071100.tar.gz c:\temp\sqlite-latest.tar.gz

nabit ftp://sourceware.org/pub/libffi/libffi-3.0.10.tar.gz "$HOME/downloads/libffi-3.0.10.tar.gz"

set CA_CERT_FILE=c:\tools\cacert.pem
nabit https://github.com/downloads/thecodeshop/ruby/w32time.7z c:/temp/w32time.7z

Library Usage Example

require 'rubygems'  # only for Ruby < 1.9
require 'nabit'

ENV['CA_CERT_FILE'] ||= '/etc/ssl/certs/ca-certificates.crt
target = File.expand_path('~/downloads/secret-codes-20120327.tar.xz')
source = 'https://unbreakable.area51.io/secret-codes.tar.xz'

nab = Nabit::Downloader.new
nab.download_file(source, target)

Local Build and Install

git clone https://github.com/jonforums/nabit.git
cd nabit
rake
gem install pkg/nabit-X.Y.Z.gem [--user-install]

License

3-clause BSD. Portions from MiniPortile's HTTP implementation. See project LICENSE file.

TODO

• investigate low-level, cross-platform socket tweaks
• add user/pw FTP support
• test proxy impl
• test with JRuby on Windows and Arch