[Octave-bug-tracker] [bug #52479] textscan ignores leading spaces when creating cell from string/file

[Philip Nienhuis]

Follow-up Comment #3, bug #52479 (project octave):

Swapping delimiters from whitespace was also done in the old .m-version of
textscan (actually in its workhorse strread.m).

FWIW:
What also might need some attention (ISTR I mentioned this earlier as well) is
that as soon as a "%s" (string) format conversion specifier occurs, whitespace
behaves a bit differently.
That was my primary motive to add the '"whitespace", ""' option/value pair in
comment #1.
This is where the default whitespace & delimiter characters collection comes
in.

All this has been implemented in strread.m, see L.409-428. Note that
textscan.m called strread.m with default (= if not overridden) whitespace set
to (IIRC) " \t\b" (note space). These days I'm unsure if space really belongs
to Matlab's textscan default whitespace collection.


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