Automatic File Patching


 
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Old 01-17-2014
Automatic File Patching

Hi All,

I have a query regarding the automatic patching on files in unix

Suppose I have a file names - abc.txt and I take its backup as abc.txt_bkp and then do some changes in abc.txt and save it as abc.txt_new.

Now I want to automatically apply the changes done on abc.txt to abc.txt_bkp so that the new file abc.txt_bkp_new is same as abc.txt_new.

Can it be done automatically? I have heard of patch command which uses the output of diff command but I am not sure if we have any better way to do it?

Thanks for your inputs.

Regards
Shubham
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CLEAN-BINARY-FILES(1)						   User Commands					     CLEAN-BINARY-FILES(1)

NAME
clean-binary-files - remove a third party binaries (JARs) from an upstream archive SYNOPSIS
clean-binary-files {[-f {-, instructions_file}], [-e exclusion_file] [-l]} [-a archive_file] [-d custom_jar_map] [-n] [-p] [-s] OPTIONS
-f The instructions file, specifying which files to keep and which to remove -e The exclusions file, specifying special binary files that are to be preserved, or non-binary files that are to be removed. -l Only list instructions (to put in instructions file), do not delete anything. -a Archive file on which actions will be performed, as opposed to current directory -d A custom jar map file (has priority over the generic one). -n No symlinks (i.e. only clean jars, don't run build-jar-repository afterwards) -p Preserve original file names (-p to build-jar-repository) -s Silent mode. Won't output commands during cleanup -f The instructions file, specifying which files to keep and which to remove -e - The exclusions file, specifying special binary files that are to be preserved, or non-binary files that are to be removed. -l - Only list instructions (to put in instructions file), do not delete anything. -a - Archive file on which actions will be performed, as opposed to current directory -d - A custom jar map file (has priority over the generic one). -n - No symlinks (i.e. only clean jars, don't run build-jar-repository afterwards) -p - Preserve original file names (-p to build-jar-repository) -s - Silent mode. Won't output commands during cleanup EXAMPLES
Suppose there is a vanilla tarball abc-1.tar.gz with some binary files (jars) in it. In the source repo, we would want a clean copy without any jars. We can use the scripts to achieve this: To generate an instructions file: clean-binary-files -e <exclusion file> -l -a abc-1.tar.gz > instructions This creates an 'instructions' file, which contains info on what stays and what goes. Then, one can run: clean-binary-files -f instructions -n -a abc-1.tar.gz This would create abc-1-clean.tar.gz for uploading into jpp/fedora/etc. repositories with no binary (jar) files. Alternatively, if you have a vanilla tarball, you can clean and create symlinks in it's place all at once by: clean-binary-files -e <exclusion file> -d <custom_jar_map> -a abc-1.tar.gz Note: If the -a <file> is not given to clean-binary-files(1), all actions are performed on current directory. SEE ALSO
Regular Manual Pages check-binary-files(1), create-jar-ks(1), jpackage-utils(7) Documentation Further reading should be found in clean-binary-files.txt located in your standard documentation directory. Original mail is here: https://www.zarb.org/pipermail/jpackage-discuss/2005-November/009158.html AUTHOR
Written by Deepak Bhole REPORTING BUGS
Report bugs using JPackage Bugzilla (http://www.jpackage.org/bugzilla/) clean-binary-files (jpackage-utils) 1.7.5 February 2009 CLEAN-BINARY-FILES(1)