nbtool/README at master · CSUNetSec/nbtool · GitHub

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nbtool: a golang tool to operate on netbrane common format files
nbtool can :
	unzip netbrane files (.nb) ,
	extract ranges or all the entries from unzipped netbrane files (.unb) in binary (len+pb) or json
	count the number of entries in a .unb file

it handles both netbrane v1 and v2 common format files.

usage:

unzip a compressed nb file
	./nbtool unzip foo.nb

count the number of entries in a file
	./nbtool count foo.unb

extract the first entry in a file as protobuf
	./nbtool -outformat pb -ranges 1 extract foo.unb

extract the first entry as protobuf from every file in the list of arguments (works in parallel)
	./nbtool -outformat pb -ranges 1:1:1 extract foo1.unb foo2.unb foo3.unb

extract ranges of entries as json from a file
	./nbtool -outformat json -ranges 1-10,20-30,40-45 extract foo.unb

extract different ranges as json on multiple files (works in parallel)
	./nbtool -outformat json -ranges 1-10,20-30:2-3,40-55 extract foo1.unb foo2.unb


Copyright (c) 2016, dsp@2f30.org
All rights reserved.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.

2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.