Skel.rb

Skeleton Ruby Script

See - http://www.ruby-doc.org/stdlib-1.9.3/libdoc/getoptlong/rdoc/GetoptLong.html

#!/usr/bin/env ruby

require 'getoptlong'

# The parameters can be in any order

unless ARGV.length >= 0
    puts "Usage:  skel.rb [-v] [-d] -n<port_no> -u<user_name> -p<password>"
    exit
end

host_name = port_no = user_name = password = ''

# specify the options we accept and initialize the option parser

verbose_flg = false
debug_level = 0


opts = GetoptLong.new(
    [ "--hostname", "-h", GetoptLong::REQUIRED_ARGUMENT ],
    [ "--port", "-n", GetoptLong::REQUIRED_ARGUMENT ],
    [ "--username", "-u", GetoptLong::REQUIRED_ARGUMENT ],
    [ "--pass", "-p", GetoptLong::REQUIRED_ARGUMENT ],
    [ "--verbose", "-v", GetoptLong::NO_ARGUMENT ],
    [ "--inc-debug-level", "-d", GetoptLong::NO_ARGUMENT ]
    [ "--set-debug-level", "-D", GetoptLong::REQUIRED_ARGUMENT ]
)

# process the parsed options

opts.each do |opt, arg|
    case opt
        when '--hostname'
            host_name = arg
        when '--port'
            port_no = arg
        when '--username'
            user_name = arg
        when '--pass'
            password = arg
        when '--inc-debug-level'
            debug_level += 1
        when '--set-debug-level'
            debug_level = int(arg)
        when '--verbose'
            verbose_flg = true
    end
end

puts "verbose_flg = #{verbose_flg}"
puts "debug_level = #{debug_level}"

if ARGV.length >= 1
    dir = ARGV.shift
    Dir.chdir(dir)
end

puts Dir.pwd

# Dir["config.?"]                     #=> ["config.h"]
# Dir.glob("config.?")                #=> ["config.h"]
# Dir.glob("*.[a-z][a-z]")            #=> ["main.rb"]
# Dir.glob("*.[^r]*")                 #=> ["config.h"]
# Dir.glob("*.{rb,h}")                #=> ["main.rb", "config.h"]
# Dir.glob("*")                       #=> ["config.h", "main.rb"]
# Dir.glob("*", File::FNM_DOTMATCH)   #=> [".", "..", "config.h", "main.rb"]

rbfiles = File.join("**", "*.rb")
Dir.glob(rbfiles)