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[Octave-bug-tracker] [bug #40319] deleting script file in a function/scr
[Octave-bug-tracker] [bug #40319] deleting script file in a function/script doesn't update the symbol table
Fri, 14 Feb 2014 13:44:10 +0000
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Follow-up Comment #7, bug #40319 (project octave):
Sorry for the late reply. I agree with you that there are many ways to make a
function file disappear and we should not try to manage all of them
The reason why the example works in the terminal and not in a script, is that
the path is updated before parsing each input from the prompt (in
octave_base_reader::octave_gets from input.cc).
For exist and which functions it seems reasonable to update the path before
anything is done.
As it is not reasonable to update the path after each line of a
script/function, a test is run (out_of_date_check) from various
Unfortunatly, the test only checks that the last time the function file was
checked is ulterior to last prompt and last dir change.
As a consequence, not only deleted files, but also modified are affected :
let's say I have a script toto.m that modifies a second script toto2.m and
then runs it. The old version of toto2.m will be run because according to the
criteria in out_of_date_check, it is up to date and doesn't even have to be
The test should also check that the last time the file was modified is
anterior to both last prompt and last dir change. Not sure this may be done
fast enough (with stat?).
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