NAME


hal-set-property - set a property on a device object

SYNOPSIS


hal-set-property [options]

DESCRIPTION


hal-set-property sets a property on a device object in the HAL device database. For more information about both the big picture and specific HAL properties, refer to the HAL spec which can be found in /usr/share/doc/packages/hal/spec/hal-spec.html depending on the distribution.

OPTIONS


The following options are supported:
--udi The UDI (Unique Device Identifier) of the device object.
--key The name of the property.
--int Set value property of the property to a 32-bit signed integer. The value passed is assumed to be decimal unless it’s prefixed with 0x or x for hexadecimal values.
--uint64
 Set value property of the property to a 64-bit unsigned integer. The value passed is assumed to be decimal unless it’s prefixed with 0x or x for hexadecimal values.
--string
 Set value property of the property to a string.
--double
 Set value property of the property to a floating point number.
--bool
 Set value property of the property to boolean, e.g. true or false.
--strlist-pre
 Prepend an item to a string list.
--strlist-post
 Append an item to a string list.
--strlist-rem
 Remove an item from a string list.
--remove
 Remove a property.
--help
 Print out usage.
--version
 Print the version.

RETURN VALUE


If setting the property succeeds, this program will exit with exit code 0. On errors a non-zero the program will exit with a non-zero exit code. Note that setting properties on the HAL device database usually requires super user privileges.

BUGS


Please send bug reports to either the distribution or the HAL mailing list, see http://lists.freedesktop.org/mailman/listinfo/hal on how to subscribe.

SEE ALSO


hald(8), lshal(1), hal-get-property(1), hal-find-by-property(1), hal-find-by-capability(1)

AUTHOR


Written by David Zeuthen <david@fubar.dk> with a lot of help from many others.

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