DESCRIPTION:

UnixFFI is a ruby(mri) test project for laborating and learn ffi.

FEATURES:

• has support for libc calls: getpwent, setpwent, endpwent.

• has Passwd and Pwent ruby wrapper’s to behave more rubyish.

REQUIREMENTS:

• need to have gem ‘ffi’ installed.

SYNOPSIS:

require 'lib/unix'

passwd = Unix::Passwd.new
passwd.collect(&:name)      -> ["root", "bin", ...]

grouped_by_gid = passwd.group_by{|pwe| pwe.gid}
grouped_by_gid.each{|gid,pwnts| puts "group #{gid} has #{pwnts.count} members"}   -> "group 0 has 1 members"...