#1141 Support NTFS sparse files compression

open
nobody
ntfs sparse (1)
5
2013-03-01
2013-03-01
No

It would be very useful to have sparse file support like the tar -S flag, so that 7-zip would skip the "holes" in sparse files when compressing them. I have a lot of 2GB sparse disk images which in reality contain only about 200MB of data. If I compress it with the current 7-zip, the resulting "archive" becomes 1.5GB and uncompressed occupies the full 2GB instead of 200MB, so the "sparseness" is lost.

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