Class: TarkinSh

Inherits:
Cmd
  • Object
show all
Defined in:
lib/tarkin_sh.rb

Constant Summary collapse

SETTINGS_FILE = 
"#{Dir.home}/.tarkin_sh"
HIST_LINES =

how many history lines to save

100

Instance Attribute Summary

Attributes inherited from Cmd

#stdin, #stdout

Instance Method Summary collapse

Methods inherited from Cmd

#cmdloop, #do_exit, #initialize, #no_help, run, #turn_off_readline

Methods included from Cmd::ClassMethods

custom_exception_handlers, #define_collect_method, #doc, docs, handle, prompt, #prompt_with, #shortcut, shortcut_table, shortcuts

Constructor Details

This class inherits a constructor from Cmd

Instance Method Details

#complete_cat(args) ⇒ Object 



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# File 'lib/tarkin_sh.rb', line 51

def complete_cat(args)
  commands.items(full_dir(@cd)).collect {|x| x[:username]}.select {|x| x.start_with? args}
end

#complete_cd(args) ⇒ Object 



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# File 'lib/tarkin_sh.rb', line 38

def complete_cd(args)
  commands.dirs(full_dir(@cd)).collect {|x| x[:name]}.select {|x| x.start_with? args}
end

#do_cat(args) ⇒ Object 



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# File 'lib/tarkin_sh.rb', line 46

def do_cat(args)
  args[:args].each do |item|
    commands.cat(full_dir(item))
  end
end

#do_cd(args) ⇒ Object 



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# File 'lib/tarkin_sh.rb', line 29

def do_cd(args)
  if args[:args].empty? 
    @cd = '/'
  else
    # TODO: warn if change to non-existing directory
    dir = args[:args].first
    @cd = full_dir dir
  end
end

#do_find(args) ⇒ Object 



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# File 'lib/tarkin_sh.rb', line 57

def do_find(args)
  if args[:args].empty?
    commands.ls @cd, false
  else
    commands.find(args[:args])
  end
end

#do_help(command = nil) ⇒ Object 



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# File 'lib/tarkin_sh.rb', line 65

def do_help(command = nil)
  command = command[:args].first
  if command
    command = translate_shortcut(command)
    docs.include?(command) ? print_help(command) : no_help(command)
  else
    documented_commands.each {|cmd| print_help cmd}
    print_undocumented_commands if undocumented_commands?
  end
end

#do_ls(args) ⇒ Object 



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# File 'lib/tarkin_sh.rb', line 13

def do_ls(args)
  if args[:args].empty?
    commands.ls @cd, args[:options].include?('l')
  else
    args[:args].each do |dir|
      commands.ls full_dir(dir), args[:options].include?('l')
    end
  end
end

#do_pwd ⇒ Object 



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# File 'lib/tarkin_sh.rb', line 24

def do_pwd
  write @cd
end

#do_shell(line) ⇒ Object

Executes a shell, perhaps should only be defined by subclasses.



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# File 'lib/tarkin_sh.rb', line 79

def do_shell(line)
  line = line[:original]
  shell = ENV['SHELL']
  write shell
  write "**#{line}**"
  line.empty? ?  system(shell) : write(%x(#{line}).strip)
end