98 lines
1.7 KiB
Ruby
Executable file
98 lines
1.7 KiB
Ruby
Executable file
#!/usr/bin/env ruby
|
|
|
|
# $Id$
|
|
# $URL$
|
|
|
|
# Parser voor mlocate.db bestanden. Toont een filelisting van alle bestanden
|
|
# uit de database.
|
|
|
|
# Zie ook: http://linux.die.net/man/5/mlocate.db
|
|
|
|
# Geen argumenten. Probeert gewoon een bestand met de naam 'mlocate.db'
|
|
# in de huidige dir te openen
|
|
|
|
def arr2long(arr)
|
|
return (arr[0]<<24) + (arr[1]<<16) + (arr[2]<<8) + arr[3]
|
|
end
|
|
|
|
def arr2string(arr)
|
|
string = ""
|
|
(0...arr.length).step(2){|i|
|
|
string += ((arr[i]<<8) + (arr[i+1])).chr
|
|
}
|
|
return string
|
|
end
|
|
|
|
|
|
fh = File.new("mlocate.db", "r")
|
|
|
|
magic_number=fh.read(8)
|
|
if magic_number == "\000mlocate"
|
|
# puts "mlocate database found"
|
|
else
|
|
puts "Not an mlocate database"
|
|
exit
|
|
end
|
|
|
|
configuration_block_size=arr2long(fh.read(4))
|
|
#puts "config block #{configuration_block_size}"
|
|
|
|
file_format_version=fh.read(1).to_i
|
|
#puts "FF vers #{file_format_version}"
|
|
|
|
require_visibility=fh.read(1).to_i
|
|
#puts "require visibility #{require_visibility}"
|
|
|
|
# get rid of padding
|
|
fh.read(2)
|
|
|
|
#
|
|
dbroot=''
|
|
while (b=fh.read(1)) != "\000"
|
|
dbroot += b
|
|
end
|
|
|
|
#puts "DB root: #{dbroot}"
|
|
|
|
# skip configuration, we don't care much
|
|
bla = fh.read(configuration_block_size)
|
|
#p bla
|
|
|
|
# skip dir header. Blijkbaar is die toch echt 2 keer 8 bytes
|
|
fh.read(16)
|
|
|
|
curdir=''
|
|
while (b=fh.read(1)) != "\000"
|
|
curdir += b
|
|
end
|
|
puts curdir
|
|
if curdir == '/'
|
|
curdir = ''
|
|
end
|
|
|
|
while true
|
|
type = fh.read(1)
|
|
case type
|
|
when "\000" then
|
|
file=''
|
|
while (b=fh.read(1)) != "\000"
|
|
file += b
|
|
end
|
|
puts "#{curdir}/#{file}"
|
|
when "\001" then
|
|
subdir=''
|
|
while (b=fh.read(1)) != "\000"
|
|
subdir += b
|
|
end
|
|
# puts "#{curdir}/#{subdir}/"
|
|
when "\002" then
|
|
# dan komt er vast een nieuwe
|
|
fh.read(16)
|
|
|
|
curdir=''
|
|
while (b=fh.read(1)) != "\000"
|
|
curdir += b
|
|
end
|
|
puts "#{curdir}/"
|
|
end
|
|
end
|