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sysctl: restore old -p handling

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The previous version of sysctl had the form:
	sysctl -p [file]
In other words, it required a space between the -p and the [file].
Omitting the space would lead to an error.

The new version though is the opposite:
	sysctl -p[file]
In other words, it requires there to not be a space.

Considering the old behavior has been around for a decade, and runtime
checking for this mismatch in behavior is silly, and supporting the old
syntax is trivial, add support for it.

When '-p regexp' is glob is used to make reqular expression to be
expanded to argument list, which also means that -p option will
allow multiple files being specified as input.

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger
2012-05-03 01:24:20 -04:00
committed by Sami Kerola
parent 156dd0b5a3
commit e2987888e2
2 changed files with 73 additions and 44 deletions
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6
sysctl.8
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@ -12,6 +12,8 @@ sysctl \- configure kernel parameters at runtime
.SH SYNOPSIS
.B sysctl
[\fIoptions\fR] [\fIvariable\fR[\fI=value\fR]] [...]
.BR
.B sysctl \-p [file or regexp] [...]
.SH DESCRIPTION
.B sysctl
is used to modify kernel parameters at runtime. The parameters available
@ -58,6 +60,10 @@ Use this option when you want to change a sysctl setting.
\fB\-p\fR[\fIFILE\fR], \fB\-\-load\fR[=\fIFILE\fR]
Load in sysctl settings from the file specified or /etc/sysctl.conf if none
given. Specifying \- as filename means reading data from standard input.
Using this option will mean arguments to
.B sysctl
are files, which are read in order they are specified. The file argument can
may be specified as reqular expression.
.TP
\fB\-a\fR, \fB\-\-all\fR
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