[Octave-bug-tracker] [bug #62851] num2str: warning: concatenation of different character string types may have unintended consequences

[anonymous]

URL:
  <https://savannah.gnu.org/bugs/?62851>

                 Summary: num2str: warning: concatenation of different
character string types may have unintended consequences
                 Project: GNU Octave
               Submitter: None
               Submitted: Mon 01 Aug 2022 08:44:37 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error or Warning
                  Status: None
             Assigned to: None
         Originator Name: Bill Packard
        Originator Email: wepackard@gmail.com
             Open/Closed: Open
                 Release: 7.1.0
         Discussion Lock: Any
        Operating System: Microsoft Windows


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Follow-up Comments:


-------------------------------------------------------
Date: Mon 01 Aug 2022 08:44:37 PM UTC By: Anonymous
[warning: concatenation of different character string types may have
unintended consequences
warning: called from
    num2str at line 143 column 11

Windows 10
Octave 7.1.0
(side note, unable to disable any or all warnings)

this error seems to show up for any use of num2str with a double quoted
string.

changing line 143 in num2str.m as indicated seems to eliminate the warning:

%%      fmt = [deblank(repmat (fmt, 1, nc)), "\n"];
      fmt = [deblank(repmat (fmt, 1, nc)), '\n'];


>>>disp(['num2str warning: ', num2str("34"), '.']);
will display the warning








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