bodewig commented on issue #87: COMPRESS-124 : Add support for extracting sparse entries from tar archives URL: https://github.com/apache/commons-compress/pull/87#issuecomment-560015609 First of all, many thanks @PeterAlfreadLee I agree with @tcurdt that providing the functionality via a single `TarArchiveInputStream` would be preferable. Maybe we could extract the meet of the read and skip methods into strategy implementations and make the handling of sparse entries another strategy that is triggered when reading said type of entry? That way we could extend the class without making it even more complex itself. Here I'm just thinking loud, I haven't got any code to show or even just tried to sketch it up. I must admit I haven't even looked at the code in detail, so maybe the idea is complete nonsense. BTW, star is a pretty old tar implementation by Jörg Schilling that used to be pretty popular before POSIX started to add support for many of the shortcoming that GNU tar addressed in its own way - long file names, big files, non-ASCII file names and all that. It is still available via Sourceforge, I found the manual page at http://schilytools.sourceforge.net/man/man1/star.1.html . IIRC it is BSD licensed so was preferred over GNU tar by the BSDs and some other Unices.
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