diff options
author | Aaron Campbell <aaron@cvs.openbsd.org> | 1998-09-23 04:32:40 +0000 |
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committer | Aaron Campbell <aaron@cvs.openbsd.org> | 1998-09-23 04:32:40 +0000 |
commit | a2d8aa4124f4856d7675a1cd268dc5a1f1e22350 (patch) | |
tree | 14844c4c8389307d49f87dc4e204b8e859bcbc9c /usr.bin/compress | |
parent | b7253ab25580c3ade3e0f9b14e52111cda23a6a4 (diff) |
usr.bin/ man page repairs, a - e
Diffstat (limited to 'usr.bin/compress')
-rw-r--r-- | usr.bin/compress/compress.1 | 28 |
1 files changed, 15 insertions, 13 deletions
diff --git a/usr.bin/compress/compress.1 b/usr.bin/compress/compress.1 index 8d039b39c80..1ea33dc407a 100644 --- a/usr.bin/compress/compress.1 +++ b/usr.bin/compress/compress.1 @@ -1,4 +1,4 @@ -.\" $OpenBSD: compress.1,v 1.5 1997/08/19 06:33:37 denny Exp $ +.\" $OpenBSD: compress.1,v 1.6 1998/09/23 04:32:38 aaron Exp $ .\" $NetBSD: compress.1,v 1.5 1995/03/26 09:44:34 glass Exp $ .\" .\" Copyright (c) 1986, 1990, 1993 @@ -60,7 +60,7 @@ .\".Nm zcat .\".Op Ar .Sh DESCRIPTION -.Nm Compress +.Nm compress reduces the size of the named files using adaptive Lempel-Ziv coding. Each .Ar file @@ -73,7 +73,7 @@ If compression would not reduce the size of a .Ar file , the file is ignored. .Pp -.Nm Uncompress +.Nm uncompress restores the compressed files to their original form, renaming the files by deleting the .Dq .Z @@ -97,7 +97,7 @@ not removed, and the attributes of the input file are not retained. .Pp The options are as follows: .Bl -tag -width Ds -.It Fl b +.It Fl b Ar bits Specify the .Ar bits code limit (see below). @@ -112,20 +112,20 @@ Force compression of even if it is not actually reduced in size. Additionally, files are overwritten without prompting for confirmation. .It Fl g -Use deflate scheme wich reported to provide better compression rates. +Use deflate scheme which reportedly provides better compression rates. .It Fl O Use old compression method (default is based on the program name). -.It Fl o +.It Fl o Ar filename Set the output file name. .It Fl t -Test the entefrity of each file leaving any files intact. +Test the integrity of each file leaving any files intact. .It Fl q -Be quite, suppress any messages. +Be quiet, suppress any messages. .It Fl v Print the percentage reduction of each file. .El .Pp -.Nm Compress +.Nm compress uses a modified Lempel-Ziv algorithm. Common substrings in the file are first replaced by 9-bit codes 257 and up. When code 512 is reached, the algorithm switches to 10-bit codes and @@ -133,7 +133,7 @@ continues to use more bits until the limit specified by the .Fl b flag is reached (the default is 16). -.Ar Bits +.Ar bits must be between 9 and 16. .Pp After the @@ -173,9 +173,11 @@ time to compute. .Pp The .Nm compress -utility exits 0 on success, 1 if an error occurs, and 2 if one or +utility exits 0 on success, 1 if an error occurred, or 2 if one or more files were not compressed because they would have grown in -size (and -f was not specifed). +size (and +.Fl f +was not specifed). .Sh SEE ALSO .Rs .%A Welch, Terry A. @@ -196,5 +198,5 @@ The .Nm command appeared in .Bx 4.3 . -The deflate compression support added in +The deflate compression support was added in .Ox 2.1 . |