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This commit is contained in:
Joel Dahl 2012-10-06 06:07:33 +00:00
parent be15d0e4dc
commit 3dacd67e46
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=241243
1 changed files with 20 additions and 10 deletions
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30
usr.sbin/sysrc/sysrc.8
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@ -98,7 +98,8 @@ Show only variable values, not their names.
.It Fl N
Show only variable names, not their values.
.It Fl q
Quiet. Ignore previous
Quiet.
Ignore previous
.Fl v
and/or
.Ev SYSRC_VERBOSE .
@ -108,7 +109,8 @@ Operate within the root directory
rather than
.Pq Sq / .
.It Fl v
Verbose. Print the pathname of the specific
Verbose.
Print the pathname of the specific
.Xr rc.conf 5
file where the directive was found.
.It Fl x
@ -135,16 +137,20 @@ The list of system configuration files is configured in the file
.Ql /etc/defaults/rc.conf
within the variable
.Ql rc_conf_files ,
which by-default contains a space-separated list of pathnames. On all FreeBSD
systems, this defaults to the value "/etc/rc.conf /etc/rc.conf.local". Each
pathname is sourced in-order upon startup. It is in the same fashion that
which by-default contains a space-separated list of pathnames.
On all FreeBSD
systems, this defaults to the value "/etc/rc.conf /etc/rc.conf.local".
Each
pathname is sourced in-order upon startup.
It is in the same fashion that
.Nm
sources the configuration files before returning the value of the given
variable.
.Pp
When supplied a variable name,
.Nm
will return the value of the variable. If the variable does not appear in any
will return the value of the variable.
If the variable does not appear in any
of the configured
.Ql rc_conf_files ,
an error is printed and error status is returned.
@ -152,13 +158,16 @@ an error is printed and error status is returned.
When changing values of a given variable, it does not matter if the variable
appears in any of the
.Ql rc_conf_files
or not. If the variable does not appear in any of the files, it is appended to
or not.
If the variable does not appear in any of the files, it is appended to
the end of the first pathname in the
.Ql rc_conf_files
variable. Otherwise,
variable.
Otherwise,
.Nm
will replace only the last-occurrence in the last-file found to contain the
variable. This gets the value to take effect next boot without heavily
variable.
This gets the value to take effect next boot without heavily
modifying these integral files (yet taking care not to allow the file to
grow unwieldy should
.Nm
@ -176,7 +185,8 @@ Location of
.Ql /etc/defaults/rc.conf
file.
.It Ev SYSRC_VERBOSE
Default verbosity. Set to non-NULL to enable.
Default verbosity.
Set to non-NULL to enable.
.El
.Sh DEPENDENCIES
The following standard commands are required by