74 lines
2.4 KiB
Diff
74 lines
2.4 KiB
Diff
From 5ec23f714e98407a6de25f6f40f125cc87b12908 Mon Sep 17 00:00:00 2001
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From: Paul Eggert <eggert@cs.ucla.edu>
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Date: Wed, 15 Dec 2021 15:04:27 -0800
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Subject: [PATCH] doc: document gzip -l change
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* NEWS, doc/gzip.texi (Invoking gzip), gzip.1 (gunzip):
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Document recent change.
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---
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doc/gzip.texi | 18 ------------------
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gzip.1 | 11 -----------
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2 files changed, 29 deletions(-)
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diff --git a/doc/gzip.texi b/doc/gzip.texi
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index abceb58..48b3485 100644
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--- a/doc/gzip.texi
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+++ b/doc/gzip.texi
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@@ -300,14 +300,6 @@ ratio: compression ratio (0.0% if unknown)
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uncompressed_name: name of the uncompressed file
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@end example
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-The uncompressed size is given as @minus{}1 for files not in @command{gzip}
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-format, such as compressed @samp{.Z} files. To get the uncompressed size for
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-such a file, you can use:
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-
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-@example
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-zcat file.Z | wc -c
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-@end example
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-
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In combination with the @option{--verbose} option, the following fields are also
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displayed:
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@@ -323,16 +315,6 @@ With @option{--verbose}, the size totals and compression ratio for all files
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is also displayed, unless some sizes are unknown. With @option{--quiet},
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the title and totals lines are not displayed.
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-The @command{gzip} format represents the input size modulo
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-@math{2^32}, so the uncompressed size and compression ratio are listed
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-incorrectly for uncompressed files 4 GiB and larger. To work around
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-this problem, you can use the following command to discover a large
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-uncompressed file's true size:
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-
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-@example
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-zcat file.gz | wc -c
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-@end example
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-
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@item --license
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@itemx -L
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Display the @command{gzip} license then quit.
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diff --git a/gzip.1 b/gzip.1
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index 0ae9765..65dea22 100644
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--- a/gzip.1
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+++ b/gzip.1
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@@ -492,17 +492,6 @@ detects that there is extra trailing garbage after the compressed data
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and emits a warning by default. You can use the --quiet option to
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suppress the warning.
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.SH BUGS
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-The gzip format represents the input size modulo 2^32, so the
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---list option reports incorrect uncompressed sizes and compression
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-ratios for uncompressed files 4 GB and larger. To work around this
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-problem, you can use the following command to discover a large
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-uncompressed file's true size:
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-
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- zcat file.gz | wc -c
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-
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-The --list option reports sizes as -1 and crc as ffffffff if the
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-compressed file is on a non seekable media.
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-
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In some rare cases, the --best option gives worse compression than
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the default compression level (-6). On some highly redundant files,
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.B compress
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--
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2.27.0
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