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xmldiff - Online in the Cloud

Run xmldiff in OnWorks free hosting provider over Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

This is the command xmldiff that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator

PROGRAM:

NAME


xmldiff - Tree 2 tree correction between xml documents

SYNOPSIS


xmldiff [ options ] original_file modified_file

xmldiff [ options ] -r original_directoty modified_directory

DESCRIPTION


xmldiff is a utility for extracting differences between two xml files. It returns a set
of primitives to apply on source tree to obtain the destination tree.

The implementation is based on Change detection in hierarchically structured information,
by S. Chawathe, A. Rajaraman, H. Garcia-Molina and J. Widom, Stanford University, 1996

OPTIONS


-h, --help
display this help message and exit.

-V, --version
display version number and exit

-H, --html
input files are HTML instead of XML

-r, --recursive
when comparing directories, recursively compare any
subdirectories found.

-x, --xupdate
display output following the Xupdate xml specification
(see http://www.xmldb.org/xupdate/xupdate-wd.html#N19b1de).

-e <encoding>, --encoding=<encoding>
specify the encoding to use for output. Default is UTF-8

-n, --not-normalize-spaces
do not normalize spaces and new lines in text and comment nodes.

-c, --exclude-comments
do not process comment nodes

-g, --ext-ges
include all external general (text) entities.

-p, --ext-pes
include all external parameter entities, including the external DTD
subset.

--profile=<file>
display an execution profile (run slower with this option),
profile saved to file (binarie form).

EXIT STATUS


0 means no difference were found.

A positive number means some differences were found.

A negative number means an error occured.

KNOWN PROBLEMS


xmldiff uses an algorithm with a (too) high algorithmical complexity, which makes it
unsuitable to process large XML documents. If your document has more than about 100 nodes,
you should probably look for an alternative solution.

Any suggestion to this issue is welcome by Logilab. Please tell us if you are aware of a
simpler algorithm to solve this problem.

REQUIRES


python, pyxml

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