HAL-SET-PROPERTY(1)

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/doc/hal-0.5.14/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.