On Thu, 02.04.15 12:42, Hans de Goede (hdego...@redhat.com) wrote:
> Hi,
>
> On 02-04-15 12:23, Lennart Poettering wrote:
> >On Thu, 02.04.15 11:48, Hans de Goede (hdego...@redhat.com) wrote:
> >
> >>+# Same as below but also sets the TPPS/2 IBM TrackPoint driver sensitivity
> >>+KERNELS=="input*", ATTR{device/name}=="TPPS/2 IBM TrackPoint", \
> >>+ IMPORT{builtin}="hwdb
> >>'trackpoint:name:$attr{device/name}:$attr{[dmi/id]modalias}'", \
> >>+ RUN="/bin/sh -c 'echo -n $env{TRACKPOINT_SENSITIVTY} >
> >>/sys$env{DEVPATH}/../../../sensitivity'", \
> >>+ GOTO="trackpoint_end"
> >
> >Invoking a shell for writing an attribute is certainly not OK. In
> >particular since ATTR{} can be used to write attributes.
>
> Ok, are there any examples / docs for this ?
See rules/ in the source tree. Grep for "ATTR{" and look for the uses
with "=" (in contrast to "=="). THose are attribute assignments. (And
the ones with == are attribute comparisons...)
It's tersely documented in udev's man page.
Lennart
--
Lennart Poettering, Red Hat
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