specified. <varname>PathChanged=</varname>
may be used to watch a file or
directory and activate the configured
- unit whenever it changes. It is not activated
- on every write to the watched file but it is
- activated if the file which was open for writing
- gets closed. <varname>PathModified=</varname>
- is similar, but additionally it is activated
- also on simple writes to the watched file.
-
+ unit whenever it changes. It is not
+ activated on every write to the
+ watched file but it is activated if
+ the file which was open for writing
+ gets
+ closed. <varname>PathModified=</varname>
+ is similar, but additionally it is
+ activated also on simple writes to the
+ watched file.
<varname>DirectoryNotEmpty=</varname>
may be used to watch a directory and
activate the configured unit whenever
<para>Multiple directives may be
combined, of the same and of different
- types, to watch multiple paths.</para>
+ types, to watch multiple paths. If the
+ empty string is assigned to any of
+ these options the list of paths to
+ watch is reset, and any prior
+ assignments of these options will not
+ have any effect.</para>
<para>If a path is already existing
(in case of