svn commit: r342601 - head/bin/pax
Chris Rees
crees at FreeBSD.org
Sat Dec 29 23:09:00 UTC 2018
Author: crees (doc,ports committer)
Date: Sat Dec 29 23:08:59 2018
New Revision: 342601
URL: https://svnweb.freebsd.org/changeset/base/342601
Log:
Add a note that the use of -B option does not guarantee a size of fragment
if -z option also used.
Recommend the use of zip(1) if compressed files of predictable size needed.
PR: docs/41089
Submitted by: Sevan Janiyan
Reported by: areilly at bigpond.net.au
While here, pet igor
Reviewed by: bcr
Differential Revision: https://reviews.freebsd.org/D18686
Modified:
head/bin/pax/pax.1
Modified: head/bin/pax/pax.1
==============================================================================
--- head/bin/pax/pax.1 Sat Dec 29 23:00:20 2018 (r342600)
+++ head/bin/pax/pax.1 Sat Dec 29 23:08:59 2018 (r342601)
@@ -33,7 +33,7 @@
.\" @(#)pax.1 8.4 (Berkeley) 4/18/94
.\" $FreeBSD$
.\"
-.Dd March 17, 2015
+.Dd December 29, 2018
.Dt PAX 1
.Os
.Sh NAME
@@ -793,6 +793,16 @@ limits can be separated by
.Li x
to indicate a product.
.Pp
+Note that the specified size is for the uncompressed pax image itself.
+If the
+.Fl z
+option is also used, the resulting file may contain fewer
+.Ar bytes ,
+according to the compressibility of the archive contents.
+See
+.Xr zip 1
+if compressed volumes of predictable size are required.
+.Pp
.Em Warning :
Only use this option when writing an archive to a device which supports
an end of file read condition based on last (or largest) write offset
@@ -804,7 +814,7 @@ This option is the same as the
option, except that the file inode change time is checked instead of the
file modification time.
The file inode change time can be used to select files whose inode information
-(e.g.\& uid, gid, etc.) is newer than a copy of the file in the destination
+(e.g., uid, gid, etc.) is newer than a copy of the file in the destination
.Ar directory .
.It Fl E Ar limit
Limit the number of consecutive read faults while trying to read a flawed
@@ -903,7 +913,7 @@ the file was last written).
The
.Ar c
specifies the comparison of inode change time (the time when the file
-inode was last changed; e.g.\& a change of owner, group, mode, etc).
+inode was last changed; e.g., a change of owner, group, mode, etc).
When
.Ar c
and
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