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bash.rb
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bash.rb
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# ßencoding: UTF-8
class ExampleApp
@@commands = {'ls' => 'Displays files in the directory', 'cd directory' => 'Changes the current directory to directory', 'mkdir foldername' => 'Makes a new directory from the name provided', 'quit || exit' => 'Exits the program', 'info' => 'Gives info on the program creator'}
@@directory = Dir.pwd
def setup
get_response
puts ''
end
def user_input
print @@directory + ': '
gets.chomp
end
def get_response
@response = user_input
parse_response(@response)
end
def parse_response response=''
action = case response
when 'ls' then input_ls
when /^(cd)/ then input_cd(response)
when 'quit' then input_quit
when 'exit' then input_quit
when 'help' then input_help
when 'info' then input_info
when /^(mkdir)/ then input_mkdir(response)
else input_ls
end
end
private
def input_ls
Dir.entries(Dir.pwd).each do |file_name|
puts file_name
end
get_response
end
def input_cd response=''
response = response.sub('cd', '').sub(' ', '')
begin
Dir.chdir(response)
@@directory = Dir.pwd
rescue
puts 'Directory not found.'
end
get_response
end
def input_quit
puts 'Exiting the program...'
exit
end
def input_help
@@commands.each do |k,v|
puts "#{k}: #{v}"
end
get_response
end
def input_info
puts 'This program was written by Verdi Ergün (verdiergun.com) copyright 2013.'
get_response
end
def input_mkdir response=nil
begin
response = response.sub('mkdir', '').sub(' ', '')
Dir.mkdir(response)
rescue
puts 'Please provide a directory name.'
end
get_response
end
class FileStuff
def self.open_file response=''
File.readlines(response)
end
def self.process_file
begin
@lines = open_file(@response)
parse_response(get_response)
rescue
puts 'File not found. Try again.'
ExampleApp.new.setup
end
end
end
class GenericStuff
def self.header
puts 'Type "help" to see a list of commands'
end
end
public
end
ExampleApp::GenericStuff.header
ExampleApp.new.setup