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Re: RFC: fixing the 32-bit size and time limits in gzip file format
From: |
Mark Adler |
Subject: |
Re: RFC: fixing the 32-bit size and time limits in gzip file format |
Date: |
Fri, 20 Aug 2010 13:08:46 -0700 |
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
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, (continued)
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Greg Roelofs, 2010/08/15
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Mark Adler, 2010/08/15
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Greg Roelofs, 2010/08/16
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Paul Eggert, 2010/08/16
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Mark Adler, 2010/08/17
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Mark Adler, 2010/08/17
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Paul Eggert, 2010/08/19
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Mark Adler, 2010/08/20
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Greg Roelofs, 2010/08/20
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Mark Adler, 2010/08/20
- Re: RFC: fixing the 32-bit size and time limits in gzip file format,
Mark Adler <=
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Mark Adler, 2010/08/21
- Re: RFC: fixing the 32-bit size and time limits in gzip file format, Mark Adler, 2010/08/16