Subsets are files storing sets of elements
(the default extension of subset files is sub). Each element is stored as a
four-byte element number. This way, subset file size in bytes is four times the number of
elements in the subset. The same subset files can be used by different collections, but such use is meaningful only if the
collections have the same numbering of elements (e.g. if these are copies of the same
original collection)
Creating subsets
To create a subset use one of the following options:
- Subset : Save all on the browser
pop-up menu - save the contents of the browser in a subset file (e.g. this option used
on the browser opened with View : Memorized will create a subset with all memorized
elements)
- Subset : Save selection on the browser pop-up menu - save all selected elements in the browser
(selecting is done by clicking the leftmost column or with subset operations such as Add,
Subtract and Intersect)
- Tools : Save as subset on the contents
menu - save a contents branch in a subset file
- Child
on the browser pop-up menu - create a sub-browser with all
memorized, pending, dismissed or selected elements from the current browser. The new
sub-browser can be used again in creating new subsets with Subset : Save all
or Subset : Save selection (compare above)
Note that subset operations in registries in conjunction
with Browse current and Browse all are also useful here. For example: search
for a given substring and choose Browse all (in the registry). You will create a
browser with all elements using the founds texts. This browser can be saved in a subset
file (Subset : Save all)
Using subsets
Subsets can be used in a number of options of which most
important are:
- File : Tools : Export : Subset as
text - exports a subset file as an element subset text file that can be imported to
another collection
- File : Tools : Export : Translation - exports
translation of texts used in elements from a subset file
- Tools : Match
to subset on the registry pop-up menu - all registry members that are in use by elements listed in a
subset file. For example, by using Search and replace : Find
in a registry, one can easily find strings that are used by a given element subset and
contain the selected search substring
- View : Subset - opens a given
subset file in the browser
- Tools : Random test : Subset -
runs a random test on a subset of elements