Manual Reference Pages  - HAL-SET-PROPERTY (1)

NAME

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

CONTENTS

Synopsis
Description
Options
Return Value
Bugs
See Also
Author

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 /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.


HAL-SET-PROPERTY (1)
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