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diff --git a/bundles/ie.wombat.jbdiff/src/ie/wombat/jbdiff/README.txt b/bundles/ie.wombat.jbdiff/src/ie/wombat/jbdiff/README.txt deleted file mode 100644 index 82356621e..000000000 --- a/bundles/ie.wombat.jbdiff/src/ie/wombat/jbdiff/README.txt +++ /dev/null @@ -1,51 +0,0 @@ -README file for JBDiff (Java Binary Diff) -Version: 0.1.1 -Release date: 1 Oct 2007 - -JBDiff (Java Binary Diff) utility is a Java translation of the bsdiff (v4.2) utility -by Colin Percival. See http://www.daemonology.net/bsdiff/ - -The file format is similar to, but currently not compatible with the bsdiff utility. -This is because bsdiff uses bzip2 for compression which is not available in the -standard Java libraries. Instead I use gzip (java.util.zip.*) - -The diff utility is very memory hungry. Attempting to diff very large files with -insufficient RAM may cause your computer to 'trash' (ie become unusably slow and may -require a reset to recover). Comparing two 20MB files will take approx 80 seconds -on a 2GHz Pentium 4 and will require a maximum heap size of at least 220 MBytes. The -maximum heap size can be specified using the -Xmx switch to the Java VM (see examples -below). The patch utility has more modest resource requirements. - -EXAMPLES: - -To compare old.bin with new.bin and produce diff file new-old.diff: - -java -Xmx200m -classpath jbdiff.jar ie.wombat.jbdiff.JBDiff old.bin new.bin new-old.diff - -To patch old.bin with new-old.diff to produce new.bin: - -java -Xmx200m -classpath jbdiff.jar ie.wombat.jbdiff.JBPatch old.bin new.bin new-old.diff - -TODO: - -This first release is a rather blind port of the bsdiff utility. A vast bulk of -the code ported to Java without any modification. There is scope -for optimization (the C bsdiff runs in approx 50% faster than JBDiff). - -Also it would be nice to be able to produce output that is compatible with bsdiff. -I need a bzip2 library for that. - -Any suggestions, feedback and bugs will be much appreciated. Please email -to joe@galway.net - -LICENSE: - -Now available under BSD license (previously GPL). - -CHANGES SINCE 0.1.0 RELEASE: - -Change of license from GPL v2 to BSD license. - -Joe Desbonnet -jdesbonnet@gmail.com -1 Oct 2007 |