Class: Tlog::Command::Help

Inherits:
Tlog::Command show all
Defined in:
lib/tlog/command/help.rb

Instance Attribute Summary

Attributes inherited from Tlog::Command

#date_time_format, #seconds_format, #storage

Instance Method Summary collapse

Instance Method Details

#description ⇒ Object 



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# File 'lib/tlog/command/help.rb', line 8

def description
	"outputs lists of commands and their descriptions"
end

#execute(input, output) ⇒ Object 



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# File 'lib/tlog/command/help.rb', line 12

def execute(input, output)
	commands = Tlog::Command_Suite.commands
	commands.sort! {|a,b| a.name <=> b.name}
	max_name_length = 0

	commands.each do |command|
		name_length = command.name.length
		max_name_length = name_length if name_length > max_name_length 
	end

	output.line("usage: tlog <command>")
	output.line(nil)

	commands.each do |command|
		line = sprintf("%-#{max_name_length}s  %s", command.name, command.description)
		output.line(line)
	end

	output.line(nil)
	return true
end

#name ⇒ Object 



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# File 'lib/tlog/command/help.rb', line 4

def name
	"help"
end

#options(parser, options) ⇒ Object 



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# File 'lib/tlog/command/help.rb', line 34

def options(parser, options)
	parser.banner = "usage: tlog help"
end