Class: Roebe::ShowAvailableUsers
- Inherits:
-
Base
show all
- Defined in:
- lib/roebe/classes/show_available_users.rb
Overview
Roebe::ShowAvailableUsers
Constant Summary
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- LJUST =
18
- PASSWD_FILE =
'/etc/passwd'
Constants inherited
from Base
Base::COLOURS, Base::HOME_DIRECTORY_OF_USER_X, Base::N, Base::NAMESPACE
Class Method Summary
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Instance Method Summary
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Methods inherited from Base
#actions, #append_this_onto_that_file, #append_what_into, #be_silent, #be_verbose?, #beautiful_url, #burlywood, #call_next, #chdir, #cheerful_guy, #cliner, #complex_esystem, #convert_global_env, #copy_directory, #copy_file, #cornflowerblue, #create_directory, #crimson, #current_month?, #current_time?, #current_year?, #cyan, #darkcyan, #darkgreen, #darkkhaki, #darkslateblue, #deeppink, #delete_symlink, #do_not_use_the_base_colours, #do_use_the_base_colours, #e, #ecomment, #editor_to_use?, #efancy, #eimp, #emphasis, #ensure_main_encoding, #ensure_utf_encoding, #eparse, #erev, #esteelblue, #etomato, #ewarn, #exit_program, #firebrick, #get_current_day, #get_current_month, #get_files_and_directories, #get_files_from, #get_german_name_for_this_weekday, #gold, #green, #grey, #hh_mm_ss, #hh_mm_ss_day_month_year, #home_dir?, #home_directory_of_user_x?, #infer_the_namespace, #internal_hash?, #is_a_directory?, #is_a_file?, #is_a_jpg_file?, #is_an_image_file?, #is_archive?, #is_audio_file?, #is_in_studium_dir?, #is_multimedia_file?, #is_on_roebe?, #is_on_windows?, #is_studium_available?, #is_symlink?, #is_this_a_ruby_file?, #is_video_file?, #iso_encoding?, #le, #left_colour, #lightblue, #lightgreen, #lightseagreen, #lightsteelblue, #lime, #limegreen, #localhost_to_data, #log_directory?, #main_encoding?, #mediumorchid, #mediumpurple, #mediumseagreen, #mediumslateblue, #mediumspringgreen, #mediumturquoise, #mkdir_p, #mv, #n_days_in_this_month, #n_pages_in_this_pdf_file?, #namespace?, #no_file_exists_at, #ogrey, #olive, #olivedrab, #open_in_browser, #opne, #opnesystem, #opnn, #orange, #orchid, #orev, #palegoldenrod, #palevioletred, #pink, #powderblue, #programs_dir?, #project_base_dir?, #random_html_colour, #rds, #read_file_in_iso_encoding, #read_file_via_the_default_encoding, #read_lines_via_iso_encoding, #readlines_with_main_encoding, #red, #register_sigint, #remove, #remove_directory, #remove_file, #rename_kde_konsole_tab, #replace_localhost_with_data, #report_pwd, #require_rescue, #reset_the_internal_hash, #return_all_directories_from_this_directory, #return_all_files_from_this_directory, #return_current_directory, #return_dd_mm_yyyy, #return_file_or_directory_of, #return_files_from_pwd, #return_last_part_of_the_current_directory, #return_utc, #rev, #right_arrow?, #right_colour, #roebe_log_directory?, #rosybrown, #royalblue, #ruby_base_directory?, #run_in_background, #run_rcfiles_then_run_ata_via_qdbus, #sandybrown, #sdir, #seagreen, #set_be_verbose, #set_xorg_buffer, #sfancy, #sfile, #silent_redirection?, #simp, #simple_esystem, #skyblue, #slateblue, #slategray, #springgreen, #steelblue, #string_italic, #swarn, #symlink, #teal, #temp_dir?, #to_camelcase, #to_counted_hash, #tomato, #touch, #try_to_require_the_beautiful_url_gem, #try_to_require_the_html_template, #try_to_require_the_open_gem, #try_to_require_the_program_information_gem, #try_to_require_the_xorg_buffer, #use_colours?, #verbose_truth, #weekday?, #word_wrap, #write_what_into, #yellow
#append_onto_the_commandline_arguments, #clear_commandline_arguments, #commandline_arguments?, #commandline_arguments_as_string?, #commandline_arguments_without_leading_hyphens?, #first_argument?, #first_argument_without_leading_hyphens?, #has_an_argument_been_passed?, #remove_hyphened_arguments_from_the_commandline_arguments, #return_commandline_arguments_with_leading_hyphens, #second_argument?, #set_commandline_arguments
Constructor Details
#initialize(commandline_arguments = nil, run_already = true) ⇒ ShowAvailableUsers
#
initialize
The entries in /etc/passwd are normally kept in this format:
(1) Username
(2) Password
(3) User ID (UID)
(4) Group ID (GID)
(5) User ID Info
(6) Home directory
(7) Command/shell
#
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# File 'lib/roebe/classes/show_available_users.rb', line 60
def initialize(
commandline_arguments = nil,
run_already = true
)
reset
set_commandline_arguments(
commandline_arguments
)
case commandline_arguments
when :dont_run_yet
run_already = false
end
if run_already.is_a? Hash
if run_already.has_key? :padding
_ = run_already.delete(:padding)
set_padding(_)
end
run_already = true end
if block_given?
yielded = yield
case yielded
when :disable_colours,
:no_colours
disable_colours
end
end
run if run_already
end
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Class Method Details
.[](i = '') ⇒ Object
#
Roebe::ShowAvailableUsers[]
#
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# File 'lib/roebe/classes/show_available_users.rb', line 292
def self.[](i = '')
new(i)
end
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# File 'lib/roebe/classes/show_available_users.rb', line 299
def self.long_format
_ = new(nil, false)
_.show_long_format(false) _.string?
end
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Instance Method Details
#disable_colours ⇒ Object
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# File 'lib/roebe/classes/show_available_users.rb', line 118
def disable_colours
@use_colours = false
end
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# File 'lib/roebe/classes/show_available_users.rb', line 216
def (
i = commandline_arguments?
)
if i.is_a? Array
i.each {|entry| (entry) }
else
case i when /^long(_|-)?format/, 'show_long_format','long','LONG'
@display_format = :long
when 'HELP','help'
show_help; exit
end
end
end
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#padding? ⇒ Boolean
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# File 'lib/roebe/classes/show_available_users.rb', line 191
def padding?
@left_padding
end
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#report_available_users ⇒ Object
#
report_available_users
This is the method that will report to the user.
#
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# File 'lib/roebe/classes/show_available_users.rb', line 253
def report_available_users
opnn { :no_trailing }
e
e
e 'The available users ('+steelblue(@data.size.to_s)+
' in total), '+
'as read in by '+
sfile(PASSWD_FILE)+', are:'
e
@data.each {|user, userid|
userid = userid.rjust(4) result = padding?+'- '+user.ljust(@ljust)
result << ' (UID: '
if @use_colours
result << Colours.slateblue(userid.to_s)
else
result << userid.to_s
end
result << ')'
e result
}; e
end
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# File 'lib/roebe/classes/show_available_users.rb', line 96
def reset
super()
infer_the_namespace
set_padding ' '
set_ljust(LJUST)
@display_format = :default @use_colours = true
@_ = ''.dup end
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# File 'lib/roebe/classes/show_available_users.rb', line 279
def run
case @display_format
when :long
show_long_format
else show_default
end
end
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#sanitize_data ⇒ Object
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# File 'lib/roebe/classes/show_available_users.rb', line 178
def sanitize_data
@data.map! {|entry|
splitted = entry.split(':')
[splitted[0], splitted[2]]
}
@data = @data.sort_by {|entry| '%05d' % entry[1]
}
end
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# File 'lib/roebe/classes/show_available_users.rb', line 170
def set_commandline_input(i)
i = i[0] if i.is_a? Array
@commandline_input = i
end
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#set_ljust(i) ⇒ Object
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# File 'lib/roebe/classes/show_available_users.rb', line 132
def set_ljust(i)
@ljust = i
end
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#set_padding(i = ' ') ⇒ Object
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# File 'lib/roebe/classes/show_available_users.rb', line 139
def set_padding(i = ' ')
i = ' ' * i.to_i if i.is_a? Integer
@left_padding = i
end
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#show_default ⇒ Object
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# File 'lib/roebe/classes/show_available_users.rb', line 238
def show_default
if File.exist? PASSWD_FILE
@data = File.readlines(PASSWD_FILE)
sanitize_data
report_available_users
else
opne 'We could not find the file at '+sfile(PASSWD_FILE)+'.'
end
end
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#show_help ⇒ Object
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# File 'lib/roebe/classes/show_available_users.rb', line 205
def show_help
e
e 'Not many options are known. The passwd file is at'
e
efile(PASSWD_FILE)
e
end
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# File 'lib/roebe/classes/show_available_users.rb', line 147
def show_long_format(be_verbose = true)
line = 'Username '+(' ' * (@ljust - 8))+' | User ID | Group | Real name | Home directory'
@_ << line+N
if be_verbose
e line
cliner
end
Etc.passwd {|user|
real_user_name = user.gecos.to_s
home_dir = user.dir.to_s
line = padding?+user.name.ljust(@ljust)+'| '+
user.uid.to_s.rjust(10)+'| '+
user.gid.to_s.ljust(8)+'| '+
real_user_name.ljust(18)+'| '+
home_dir.ljust(15)
@_ << line+N
e line if be_verbose
}
end
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#string? ⇒ Boolean
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# File 'lib/roebe/classes/show_available_users.rb', line 125
def string?
@_
end
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#users? ⇒ Boolean
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# File 'lib/roebe/classes/show_available_users.rb', line 198
def users?
@data
end
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