On Aug 20, 2010, at 12:28 PM, Mark Adler wrote:
> On Aug 20, 2010, at 12:18 PM, Greg Roelofs wrote:
>> - Add a suboption (-ll? -l2? ) to do decompression-listing.
>
> pigz already has this as -tl (test and list where testing the file reads the
> whole thing, or it can be read as "true length"). When there are
> concatenated gzip streams, pigz lists them separately.
>
> % cat foo.gz foo.gz foo.gz | pigz -tl
> compressed original reduced name
> 13 14 7.1% <stdin>
> 13 14 7.1% <...>
> 13 14 7.1% <...>
Oh, and this is what it does without the t:
% cat foo.gz foo.gz foo.gz | pigz -l
compressed original reduced name
75 14? unk <stdin>
It could tell something was funny about the sizes, hence the question mark and
unknown compression ratio.
Mark
