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OpenSolaris 2009.06 - man page for svcprop (opensolaris section 1)

svcprop(1)				  User Commands 			       svcprop(1)

       svcprop - retrieve values of service configuration properties

       svcprop [-fqtv] [-C | -c | -s snapshot] [-p [name/]name]...
	    {FMRI | pattern}...

       svcprop -w [-fqtv] [-p [name/]name] {FMRI | pattern}

       The  svcprop  utility prints values of properties in the service configuration repository.
       Properties are selected by -p options and the operands.

       Without the -C, -c, or -s options, svcprop accesses effective  properties.  The	effective
       properties  of a service are its directly attached properties. The effective properties of
       a service instance are the union of properties in the composed view of its  running  snap-
       shot  and  the  properties  in  nonpersistent  property groups in the composed view of the
       instance's directly attached properties. See smf(5) for an explanation of property  compo-
       sition. If the running snapshot does not exist then the instance's directly attached prop-
       erties are used instead.

   Output Format
       By default, when a single property is selected, the values for each are printed	on  sepa-
       rate  lines.  Empty  ASCII  string values are represented by a pair of double quotes ("").
       Bourne shell metacharacters (';', '&', '(', ')', '|', '^', '<', '>', newline, space,  tab,
       backslash, '"', single-quote, '`') in ASCII string values are quoted by backslashes (\).

       When  multiple  properties are selected, a single line is printed for each. Each line com-
       prises a property designator, a property type, and the values (as described above),  sepa-
       rated by spaces. By default, if a single FMRI operand has been supplied, the property des-
       ignator consists of the property group name and the property name joined by a  slash  (/).
       If multiple FMRI operands are supplied, the designator is the canonical FMRI for the prop-

       If access controls prohibit reading the value of a property, and no property  or  property
       group  is  specified  explicitly by a -p option, the property is displayed as if it had no
       values. If one or more property or property group names is specified by	a -p option,  and
       any property value cannot be read due to access controls, an error results.

       Error messages are printed to the standard error stream.

       The following options are supported:

       -C	     Uses the directly attached properties, without composition.

       -c	     For  service  instances,  uses  the composed view of their directly attached

       -f	     Selects the multi-property output format, with full FMRIs as designators.

       -p name	     For each service or service instance specified by the operands, selects  all
		     properties  in the name property group. For property groups specified by the
		     operands, selects the name property.

       -p pg/prop    Selects property prop in property group pg for each of the services or  ser-
		     vice instances specified by the operands.

       -q	     Quiet. Produces no output.

       -s name	     Uses the composed view of the name snapshot for service instances.

       -t	     Selects the multi-property output format.

       -v	     Verbose. Prints error messages for nonexistent properties, even if option -q
		     is also used.

       -w	     Waits until the specified property group or the  property	group  containing
		     the specified property changes before printing.

		     This  option  is  only valid when a single entity is specified. If more than
		     one operand is specified, or an operand matches more than one  instance,  an
		     error message is printed and no action is taken. The -C option is implied.

       The following operands are supported:

       FMRI	  The FMRI of a service, a service instance, a property group, or a property.

		  Instances  and  services can be abbreviated by specifying the instance name, or
		  the trailing portion of the service name. Properties and property  groups  must
		  be specified by a full FMRI. For example, given the FMRI:


		  The following are valid abbreviations:


		  The following are invalid abbreviations:


		  Abbreviated  forms  of  FMRIs are unstable and should not be used in scripts or
		  other permanent tools. If an abbreviation matches multiple  instances,  svcprop
		  acts on each instance.

       pattern	  A  glob pattern which is matched against the FMRIs of services and instances in
		  the repository. See fnmatch(5). If  a  pattern  matches  multiple  services  or
		  instances, svcprop acts on each service or instance.

       Example 1 Displaying the Value of a Single Property

       The  following  example displays the value of the state property in the restarter property
       group of instance default of service system/cron.

	 example%  svcprop -p restarter/state system/cron:default

       Example 2 Retrieving Whether a Service is Enabled

       Whether a service is enabled is determined by its -general/enabled property. This property
       takes immediate effect, so the -c option must be used:

	 example%  svcprop -c -p general/enabled system/cron:default

       Example 3 Displaying All Properties in a Property Group

       On a default installation of Solaris, the following example displays all properties in the
       general property group of each instance of the network/ntp service:

	 example% svcprop -p general ntp
	 general/package astring SUNWntpr
	 general/enabled boolean true
	 general/entity_stability astring Unstable
	 general/single_instance boolean true

       Example 4 Testing the Existance of a Property

       The following example  tests  the  existence  of  the  general/enabled  property  for  all
       instances of service identity:

	 example%  svcprop -q -p general/enabled identity:
	 example%  echo $?

       Example 5 Waiting for Property Change

       The following example waits for the sendmail instance to change state.

	 example%  svcprop -w -p restarter/state sendmail

       Example 6 Retrieving the Value of a Boolean Property in a Script

       The following example retrieves the value of a boolean property in a script:

	 set -- `svcprop -c -t -p general/enabled service`
	 if [ $code -ne 0 ]; then
		 echo "svcprop failed with exit code $code"
		 return 1
	 if [ $2 != boolean ]; then
		  echo "general/enabled has unexpected type $2"
		  return 2
	 if [ $# -ne 3 ]; then
		   echo "general/enabled has wrong number of values"
		   return 3

       Example 7 Using svcprop in a Script

	 example% cat getval

	 svcprop -p $1 $2 | (
		  read value v2
		  if [ -n "$v2" ]; then echo "Multiple values!"; exit; fi
		  echo $value

       The following exit values are returned:

       0    Successful completion.

       1    An error occurred.

       2    Invalid command line options were specified.

       See attributes(5) for descriptions of the following attributes:

       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       |Availability		     |SUNWcsu			   |

       svcs(1),    inetd(1M),	 svcadm(1M),   svccfg(1M),   svc.startd(1M),   service_bundle(4),
       attributes(5), fnmatch(5), smf(5), smf_method(5), smf_security(5)

SunOS 5.11				   13 Sep 2007				       svcprop(1)

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