class AM::Tail
Attributes
profile[RW]
Public Class Methods
new(config)
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# File lib/tail.rb, line 10 def initialize(config) @profile = get_profile(config) end
Public Instance Methods
get_last_command()
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# File lib/tail.rb, line 37 def get_last_command commands = [] last_commands = `tail -#{TAIL_LINE + 1 - @profile[:margin]} #{@profile[:file]} | head -#{TAIL_LINE}`.split("\n") unless last_commands.empty? last_commands.each_with_index do |c,i| r = sampling(c) commands << r if r end commands end end
get_profile(config)
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# File lib/tail.rb, line 14 def get_profile(config) shell = ENV['SHELL'] profile = case shell when /zsh/ then set_hash(0, '~/.zsh_history') when /bash/ then set_hash(1, '~/.bash_history') else error(:no_support, shell) end f = config.pg['history_file'] profile[:file] = f if f profile[:file] = File.expand_path(profile[:file]) unless File.exists?(profile[:file]) error(:not_exists_history_file, profile[:file]) exit end profile end
sampling(command)
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# File lib/tail.rb, line 49 def sampling(command) zsh = '[0-9]+:[0-0];(.*)' bash = '(.*)' if command =~ /#{zsh}/ pattern = zsh else pattern = bash end command.split(/#{pattern}/)[COMMAND].strip if command.strip !~ /^$/ end
set_hash(margin, history_file)
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# File lib/tail.rb, line 33 def set_hash(margin, history_file) return { margin: margin, file: history_file } end