91 lines
1.5 KiB
Ruby
91 lines
1.5 KiB
Ruby
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#!/usr/bin/env ruby
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# $Id$
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# $URL$
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# Parser voor slocate.db bestanden. Toont een filelisting van alle bestanden
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# uit de database.
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require "getoptlong"
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def parse_options
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@options = {}
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begin
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opts = GetoptLong.new(
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[ "-i", GetoptLong::REQUIRED_ARGUMENT ],
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[ "-h", "--help", GetoptLong::NO_ARGUMENT ],
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[ "-l", GetoptLong::NO_ARGUMENT ]
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)
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opts.quiet=true
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opts.each do |opt, arg|
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@options[opt] = arg
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end
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if @options["-h"]
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usage
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end
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rescue GetoptLong::InvalidOption
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print "#{$!}\n"
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usage
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end
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# default values
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if @options["-l"].nil?
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@options["-l"] = false
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end
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if @options["-i"].nil?
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@options["-i"] = "slocate.db"
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end
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return @options
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end
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def usage
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print <<XXX
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Usage: slocatedb-dump.rb [-i <inputfile>] [-l] [-h]
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-i <inputfile> use <inputfile> for input (default: slocate.db)
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-l parse as traditional locate database format (default slocate.db style)
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-h this help message
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XXX
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exit
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end
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def signedbyte(byte)
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if byte >= 128
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((byte^0xff)+1)*-1
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else
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byte
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end
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end
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parse_options
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fh = File.new(@options["-i"], "r")
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# dit byte schijnt heel het verschil te zijn met traditionele locate databases
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# dus bij een traditionele even 4 regels niet gebruiken
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if ! @options["-l"]
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secure=fh.read(1)
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if secure == '1'
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puts "Uses security features..."
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end
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end
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curdepth=0
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curpaths=""
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while true
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char = fh.read(1)
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if char.nil?
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# we're done
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exit
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end
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depth = signedbyte(char[0])
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curdepth+=depth
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curpaths=curpaths[0...curdepth]
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newname=''
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while(b=fh.read(1)) != "\000"
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newname += b
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end
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curpaths+=newname
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puts curpaths
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end
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