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GETDEV(1M)							    GETDEV(1M)

NAME
       getdev - lists devices based on criteria

SYNOPSIS
       getdev [-ae] [criteria]... [device]...

DESCRIPTION
       getdev  generates  a  list  of devices that match certain criteria. The
       criteria includes a list of attributes (given  in  expressions)	and  a
       list of devices. If no  criteria are given, all devices are included in
       the list.

       Devices must satisfy at least one of the criteria in  the  list	unless
       the  -a option is used. Then, only those devices which match all of the
       criteria in a list will be included.

       Devices which are defined on the command line and which match the  cri‐
       teria  are included in the generated list. However, if the -e option is
       used, the list becomes a set of devices to be excluded from  the	 list.
       See OPTIONS and	OPERANDS.

OPTIONS
       The following options are supported:

       -a
	     Specifies that a device must match all criteria to be included in
	     the list generated by this command. The option has no  effect  if
	     no criteria are defined.

       -e
	     Specifies	that  the list of devices which follows on the command
	     line should be excluded from the list generated by this  command.
	     Without  the  -e  the named devices are included in the generated
	     list. The flag has no effect if no devices are defined.

OPERANDS
       The following operands are supported:

       criteria
		   Defines the	criteria  that	a  device  must	 match	to  be
		   included  in	 the  generated list. criteria is specified by
		   expressions.

		   There are four possible expression types which the criteria
		   specified in the criteria argument may follow:

		   attribute=value
				       Selects	all  devices  whose  attribute
				       attribute is defined and	 is  equal  to
				       value.

		   attribute!=value
				       Selects	all  devices  whose  attribute
				       attribute is defined and does not equal
				       value.

		   attribute:*
				       Selects	all  devices  which  have  the
				       attribute attribute defined.

		   attribute!:*
				       Selects all devices which do  not  have
				       the attribute attribute defined.

		   See	the  putdev(1M) manual page for a complete listing and
		   description of available attributes.

       device
		   Defines the devices which should be included in the	gener‐
		   ated	 list.	This  can be the pathname of the device or the
		   device alias.

EXIT STATUS
       The  following  exit values are returned:

       0
	    Successful completion.

       1
	    Command syntax was incorrect,  invalid  option  was	 used,	or  an
	    internal error occurred.

       2
	    Device table could not be opened for reading.

FILES
       /etc/device.tab

SEE ALSO
       devattr(1M), getdgrp(1M), putdev(1M), putdgrp(1M), attributes(5)

				  Jul 5, 1990			    GETDEV(1M)
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