[Octave-patch-tracker] [patch #8066] speedup of strjoin

[Ben Abbott]

Follow-up Comment #3, patch #8066 (project octave):

A problem

>From Matlab


strjoin({'Octave','Scilab'}, '\n')

ans =

Octave
Scilab


>From Octave


strjoin({'Octave','Scilab'}, '\n')
ans = Octave\nScilab


If double-quotes are used, the Octave work correctly because the parser
handles the conversion of escaped characters.

Thus, single-quoted delimiters need to be escaped by strjoin().   The first
input does not, Matlab again


strjoin({'Octave\n','Scilab\n'}, 'foo')

ans =

Octave\nfooScilab\n


Unless I'm missing something, a patch is needed that runs do_string_escapes()
on the second input.  For the example above,


strjoin({'Octave','Scilab'}, do_string_escapes ('\n'))


However, since the second input may be a cell-string a proper solution is a
bit more complicated.

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