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initial commit

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Vincent Batts 2012-05-17 17:00:33 -04:00
commit 862125923e

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bash_history.rb Executable file
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#!/usr/bin/env ruby
require 'digest/md5'
require 'gdbm'
require 'yaml'
class BashHistory
attr_reader :db
OPTIONS = {
:file => File.expand_path("~/.bash_history"),
:archive_file => File.expand_path("~/.bash_history.db"),
}
def initialize(opts = {})
@options = OPTIONS.merge(opts)
_parse
end
def db
@db ||= GDBM.new(@options[:archive_file])
end
def keys; db.keys; end
def keys_to_i; keys.map {|i| i.to_i }; end
def values; db.map {|k,v| _yl(v) }; end
def commands; values.map {|v| v[:cmd] }; end
def _yd(data); YAML.dump(data); end
def _yl(data); YAML.load(data); end
def _md5(data); Digest::MD5.hexdigest(data); end
def find(pat)
values.select {|v| v if v =~ /#{pat}/ }
end
def _parse
open(@options[:file]) do |f|
f.each_line do |line|
if line =~ /^#(.*)$/
l = f.readline.chomp
db[_md5(l)] = _yd({:cmd => l, :time => Time.at($1.to_i)})
else
db[_md5(line.chomp)] = _yd({:cmd => line.chomp})
end
end
end
end
def render(file)
File.open(file,'w+') do |f|
values.each do |v|
f.write("#" + v[:time].to_i.to_s + "\n") if v[:time]
f.write(v[:cmd] + "\n")
end
end
end
end
if $0 == __FILE__
bh = BashHistory.new
p bh
p "storing #{bh.keys.count} commands"
end