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!! +var+ +string+
type:$type_both
mean
:Changes the reference to a
file ``f
'', such
as a graphics
file reachable by direct http
, \
into one with a different name using the method <span class="tt">!getfile</span>.\
<p>\
This command is useful with exercises where important information is carried\
by multimedia files (pictures, audios, movies). It can be used to hide the\
name of the multimedia
file that otherwise would give clues to the solution\
of the problem.\
</p><p>\
The renamed
file must be located within the module
, and the filename ``f
'' should start \
with ``$module_dir''.\
</p><p>\
The command returns a string which is the
new URL
. The
file is not\
effectively copied or renamed on the server.\
</p>