[Octave-bug-tracker] [bug #39724] history commands have an extraneous white space at the front

[Mike Miller]

Follow-up Comment #4, bug #39724 (project octave):

I don't think a history line *is* data, a history line can *have* data
associated with it. It doesn't appear that we use that feature, but I'm not
sure.

Line numbers are definitely used, compare these three invocations:


> history 10
> history 10 -q
> lines = history (10)


If you want to ignore lines that are nothing but spaces, use


> history_control ("ignorespace")


Put that into your octaverc. This will actually not record any line that
starts with a single space. This is a standard readline history feature
compatible with bash and other readline programs.

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