95 lines
2.4 KiB
Ruby
95 lines
2.4 KiB
Ruby
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require 'digest/md5'
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require 'gdbm'
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require 'yaml'
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class BashHistory
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attr_reader :db
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OPTIONS = {
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:file => File.expand_path("~/.bash_history"),
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:archive_file => File.expand_path("~/.bash_history.db"),
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:time_format => "%F %T",
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}
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def initialize(opts = {})
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@options = OPTIONS.merge(opts)
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_parse
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end
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def time_format; @options[:time_format]; end
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def time_format=(tf); @options[:time_format] = tf; end
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def db
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@db ||= GDBM.new(@options[:archive_file])
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end
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def keys; db.keys; end
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def keys_to_i; keys.map {|i| i.to_i }; end
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def values; db.map {|k,v| _yl(v) }; end
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def values_by_time
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return db.map {|k,v|
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data = _yl(v)
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data[:time].map {|t|
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data.merge(:time => t)
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}
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}.flatten.sort_by {|x|
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x[:time]
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}
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end
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def commands; values.map {|v| v[:cmd] }; end
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def _yd(data); YAML.dump(data); end
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def _yl(data); YAML.load(data); end
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def _md5(data); Digest::MD5.hexdigest(data); end
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def _f(v); " %s %s" % [v[:time].strftime(@options[:time_format]), v[:cmd]]; end
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def find(pat)
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return values.select {|v|
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v if v[:cmd] =~ /#{pat}/
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}.map {|v|
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v[:time].map {|t|
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v.merge(:time => t)
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}
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}.flatten
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end
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def _parse
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open(@options[:file]) do |f|
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f.each_line do |line|
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if line =~ /^#(.*)$/
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l = f.readline.chomp
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key = _md5(l)
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if db.has_key?(key)
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times = _yl(db[key])[:time]
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if times.kind_of? Array
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times.push(Time.at($1.to_i))
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else
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times = [times]
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end
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db[key] = _yd({:cmd => l, :time => times.uniq })
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else
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db[key] = _yd({:cmd => l, :time => [Time.at($1.to_i)] })
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end
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else
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key = _md5(line.chomp)
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if db.has_key?(key)
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times = _yl(db[key])[:time]
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if times.kind_of? Array
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times.push(Time.at($1.to_i))
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else
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times = [times]
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end
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db[key] = _yd({:cmd => l, :time => times.uniq })
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else
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db[key] = _yd({:cmd => line.chomp, :time => [Time.at(0)] })
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end
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end
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end
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end
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end
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def render(file)
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File.open(file,'w+') do |f|
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values.each do |v|
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f.write("#" + v[:time].to_i.to_s + "\n") if v[:time] and not (v[:time].to_i == 0)
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f.write(v[:cmd] + "\n")
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end
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end
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end
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end
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