Loop variables

[CdeMills]

I have a very complex script looping on a number of data files, with a lot of
internal variables. Due to the way non-existing variables are created when
first referenced, it is difficult to spot places where leftover of previous
iterations may remain, in particular when using vectors. Sometimes, only
values  at index 1:m are set, while values at index 1:n were set and used in
previous iterations, with m < n. This way, values at index m+1:n are
irrelevant to the currently processed values. Is there some way to detect
automatically created variables ? Is it f.i. possible to disable this
feature temporary, or just in a script, in order to find every variables
which should be reset at each iteration ?

Regards

Pascal

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