Hi, On Wed, 2003-01-08 at 16:15, Theodore Ts'o wrote: > bzip2 or gzip do a very nice job of compressing a sparse file. > Unfortunately, bunzip2 and gunzip do not write out a sparse file when > it uncompresses it. It isn't hard to write a program though that will > write a sparse file given a file with lots of zeros on stdin Actually, I think "cp --sparse=always" will do such a copy, and you can use /dev/stdin as the source to make it work in a pipe: $ dd bs=4k count=100 if=/dev/zero | cp --sparse=always /dev/stdin /tmp/sparse 100+0 records in 100+0 records out $ du /tmp/sparse 0 /tmp/sparse $ Cheers, Stephen _______________________________________________ Ext3-users@redhat.com https://listman.redhat.com/mailman/listinfo/ext3-users
