Typically, only the compression level is needed (4th byte of the
compressed file), and its matching parameter stored: -N.
In some cases a -bN parameter is detected and stored.
-
program
Program used to compress. Almost everytime, it is bzip2 (or another
implementation producing bit-identical results). pbzip2 might also be
detected, but several parameters might interfere (-r, -pN).
It may also be zgz (the params will include --old-bzip2 in this
- case.)
+ case).
params => "@params",
filename => basename($filename),
timestamp => $timestamp,
-
(defined $xdelta ? (delta => $xdelta) : ()),
});
}