[Octave-bug-tracker] [bug #61533] strrep incorrect results or error

[Liang Tang]

URL:
  <https://savannah.gnu.org/bugs/?61533>

                 Summary: strrep incorrect results or error 
                 Project: GNU Octave
            Submitted by: lt1234
            Submitted on: Tue 23 Nov 2021 05:13:55 PM UTC
                Category: Octave Function
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Unexpected Error or Warning
                  Status: None
             Assigned to: None
         Originator Name: lt1234
        Originator Email: 
             Open/Closed: Open
                 Release: 6.3.0
         Discussion Lock: Any
        Operating System: Microsoft Windows

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Details:

Conversion from '\' to '/' on Windows may result in unexpected results.  I
have been mixing '&' and "&", assuming that the two pairs are the same.  For
these, I think it has something to do with escape sequence.  

This is what I expected:  

>> strrep('C:\Users\Owner\Desktop\', '\', '/')
ans = C:/Users/Owner/Desktop/

These are unexpected: 

(1) Unexpected: 

>> strrep("C:\Users\Owner\Desktop\", '\', '/')
error: parse error:

  syntax error

>>> strrep("C:\Users\Owner\Desktop\", '\', '/')
                                              ^

(2) Unexpected: 
>> strrep('C:\Users\Owner\Desktop\', "\", "/")
error: parse error:

  syntax error

>>> strrep('C:\Users\Owner\Desktop\', "\", "/")
                                              ^
(3) Unexpected:                                             ^
>> strrep("C:\Users\Owner\Desktop\", '\', '/')
error: parse error:

  syntax error

>>> strrep("C:\Users\Owner\Desktop\", '\', '/')

(4) Unexpected wrong result, no error:                                        
      ^
>> strrep("C:\Users\Owner\Desktop", '\', '/')
ans = C:UsersOwnerDesktop 

(5) Unexpected: 
strrep("C:\Users\Owner\Desktop", "\", "/")
error: parse error:

  syntax error

>>> strrep("C:\Users\Owner\Desktop", "\", "/")
                                             ^




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