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I have an .ear file (an archive file like tar / zip) that has a file inside that i want to change.
For example myfile.ear contains 1.txt and i want to change 1.txt to 2.txt and possibly also change some of the content inside 1.txt (like sed does)
I really want to avoid having to extract myfile.ear, change the file and compress it again.
Does anyone know a way to achieve this in linux ?
And if it’s not possible, I would also like to know why
Thanks.
EAR files are just JAR files which are just ZIP files. The ZIP format, IIRC, contains metadata and data interleaved, so changing one file (which might be larger/smaller than the file it is replacing) might not fit (or leave a gap), thus in all practical terms the file must be rewritten when doing modifications.