diff options
Diffstat (limited to 'usr.sbin/sysrc/sysrc.8')
| -rw-r--r-- | usr.sbin/sysrc/sysrc.8 | 89 |
1 files changed, 41 insertions, 48 deletions
diff --git a/usr.sbin/sysrc/sysrc.8 b/usr.sbin/sysrc/sysrc.8 index bdf3353c2cf9..cb32f72ea587 100644 --- a/usr.sbin/sysrc/sysrc.8 +++ b/usr.sbin/sysrc/sysrc.8 @@ -1,3 +1,6 @@ +.\" +.\" SPDX-License-Identifier: BSD-2-Clause +.\" .\" Copyright (c) 2011-2016 Devin Teske .\" All rights reserved. .\" @@ -408,62 +411,52 @@ and .It Pa /usr/local/etc/rc.conf.d/name/* .El .Sh EXAMPLES -Below are some simple examples of how -.Nm -can be used to query certain values from the -.Xr rc.conf 5 -collection of system configuration files: -.Pp -.Nm -sshd_enable -.Dl returns the value of $sshd_enable, usually YES or NO . +.Ss Working with rc.conf files +Ask the value of +.Cm sshd_enable , +usually YES or NO: +.Dl sysrc sshd_enable .Pp -.Nm -defaultrouter -.Dl returns IP address of default router Pq if configured . -.Pp -Working on other files, such as +Return the IP address of default router +.Pq if configured : +.Dl sysrc defaultrouter +.Ss Working with other files +Return the value of the MAILTO setting, if configured, from .Xr crontab 5 : +.Dl sysrc -f /etc/crontab MAILTO .Pp -.Nm --f /etc/crontab MAILTO -.Dl returns the value of the MAILTO setting Pq if configured . -.Pp -Appending to existing values: -.Pp -.Nm -\&cloned_interfaces+=gif0 -.Dl appends Qo gif0 Qc to $cloned_interfaces Pq see APPENDING VALUES . -.Pp -.Nm -\&cloned_interfaces-=gif0 -.Dl removes Qo gif0 Qc from $cloned_interfaces Pq see SUBTRACTING VALUES . -.Pp -In addition to the above syntax, -.Nm -also supports inline -.Xr sh 1 -PARAMETER expansion for changing the way values are reported, shown below: +Append +.Dq gif0 +to $cloned_interfaces +.Pq see Sx APPENDING VALUES : +.Dl sysrc cloned_interfaces+=gif0 .Pp -.Nm -\&'hostname%%.*' -.Dl returns $hostname up to (but not including) first `.' . +Remove +.Dq gif0 +from $cloned_interfaces +.Pq see Sx SUBTRACTING VALUES : +.Dl sysrc cloned_interfaces-=gif0 +.Ss Inline shell parameter expansion +Return $hostname up to, but not including, first +.Ql \&. : +.Dl sysrc 'hostname%%.*' .Pp -.Nm -\&'network_interfaces%%[$IFS]*' -.Dl returns first word of $network_interfaces . +Return first word of $network_interfaces: +.Dl sysrc 'network_interfaces%%[$IFS]*' .Pp -.Nm -\&'ntpdate_flags##*[$IFS]' -.Dl returns last word of $ntpdate_flags (time server address) . +Return last word of $ntpdate_flags +.Pq time server address : +.Dl sysrc 'ntpdate_flags##*[$IFS]' .Pp -.Nm -usbd_flags-"default" -.Dl returns $usbd_flags or "default" if unset or NULL . +Return $usbd_flags or +.Dq default +if unset or NULL: +.Dl sysrc usbd_flags-"default" .Pp -.Nm -cloned_interfaces+"alternate" -.Dl returns "alternate" if $cloned_interfaces is set . +Return +.Dq alternate +if $cloned_interfaces is set: +.Dl sysrc cloned_interfaces+"alternate" .Sh SEE ALSO .Xr rc.conf 5 , .Xr jail 8 , |