A utility to read the Qlik QVD file format.
Building on Ubuntu requires some packages:
sudo apt-get install libxml2-dev pkg-config
A utility to read Qlik QVD file format.
License: ISC License
Is there any logic covering how the fields are related to each other? It seems that the application just read field by field? The symbol table alone and the data table with the pointers?
$ make
g++ -Wall -O2 -fPIC -I/usr/include/libxml2 -MMD -MP -MT LineageInfo.o -o LineageInfo.o -c LineageInfo.cpp
g++ -Wall -O2 -fPIC -I/usr/include/libxml2 -MMD -MP -MT main.o -o main.o -c main.cpp
g++ -Wall -O2 -fPIC -I/usr/include/libxml2 -MMD -MP -MT QvdField.o -o QvdField.o -c QvdField.cpp
g++ -Wall -O2 -fPIC -I/usr/include/libxml2 -MMD -MP -MT QvdFile.o -o QvdFile.o -c QvdFile.cpp
QvdFile.cpp: In member function ‘bool QvdFile::Load(const char*)’:
QvdFile.cpp:83:12: warning: unused variable ‘len’ [-Wunused-variable]
83 | size_t len = readBytes();
| ^~~
g++ -Wall -O2 -fPIC -I/usr/include/libxml2 -MMD -MP -MT QvdTableHeader.o -o QvdTableHeader.o -c QvdTableHeader.cpp
g++ -Wall -O2 -fPIC -I/usr/include/libxml2 -MMD -MP -MT utils/conversions.o -o utils/conversions.o -c utils/conversions.cpp
g++ -Wall -O2 -fPIC -I/usr/include/libxml2 -MMD -MP -MT utils/dumphex.o -o utils/dumphex.o -c utils/dumphex.cpp
g++ -Wall -O2 -fPIC -o qvdreader LineageInfo.o main.o QvdField.o QvdFile.o QvdTableHeader.o utils/conversions.o utils/dumphex.o -lxml2
g++ -shared -Wl,-soname,libqvdreader.so LineageInfo.o main.o QvdField.o QvdFile.o QvdTableHeader.o utils/conversions.o utils/dumphex.o -o libqvdreader.so -lxml2
qvdreader
:$ ./qvdreader file.qvd
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
Unprocessed QvdFieldHeader tag: Tags
$ xxd file.qvd|head
00000000: 3c3f 786d 6c20 7665 7273 696f 6e3d 2231 <?xml version="1
00000010: 2e30 2220 656e 636f 6469 6e67 3d22 5554 .0" encoding="UT
00000020: 462d 3822 2073 7461 6e64 616c 6f6e 653d F-8" standalone=
00000030: 2279 6573 223f 3e0d 0a20 3c51 7664 5461 "yes"?>.. <QvdTa
...........
A declarative, efficient, and flexible JavaScript library for building user interfaces.
🖖 Vue.js is a progressive, incrementally-adoptable JavaScript framework for building UI on the web.
TypeScript is a superset of JavaScript that compiles to clean JavaScript output.
An Open Source Machine Learning Framework for Everyone
The Web framework for perfectionists with deadlines.
A PHP framework for web artisans
Bring data to life with SVG, Canvas and HTML. 📊📈🎉
JavaScript (JS) is a lightweight interpreted programming language with first-class functions.
Some thing interesting about web. New door for the world.
A server is a program made to process requests and deliver data to clients.
Machine learning is a way of modeling and interpreting data that allows a piece of software to respond intelligently.
Some thing interesting about visualization, use data art
Some thing interesting about game, make everyone happy.
We are working to build community through open source technology. NB: members must have two-factor auth.
Open source projects and samples from Microsoft.
Google ❤️ Open Source for everyone.
Alibaba Open Source for everyone
Data-Driven Documents codes.
China tencent open source team.