bugGNU Octave - Bugs: bug #57013, rats inserts '\0' characters in to...

 
 

bug #57013: rats inserts '\0' characters in to output string when # of columns exceed screen width

Submitter:  Rik <rik5>
Submitted:  Sun 06 Oct 2019 08:18:25 PM UTC
   
 
Category:  Octave Function Severity:  3 - Normal
Priority:  5 - Normal Item Group:  Matlab Compatibility
Status:  Confirmed Assigned to:  None
Originator Name:  Open/Closed:  * Open
Release:  * dev Operating System:  * Any
Fixed Release:  None Planned Release:  None
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Sun 06 Oct 2019 08:20:45 PM UTC, comment #1: 

This can also be viewed as a manifestation of bug #57005, in that we are using the print routines from the interpreter for rats() and those routines insert extra information about columns, insert extra blank lines ('\0') between blocks of output, etc.

The two bugs together suggest the entire algorithm needs to change.

Rik <rik5>
Group administrator
Sun 06 Oct 2019 08:18:25 PM UTC, original submission:  

Sample code to reproduce:


s = rats (ones (2, 125), 10)
s =

 Columns 1 through 9:^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@
           1           1           1           1           1           1           1           1           1
           1           1           1           1           1           1           1           1           1
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@
 Columns 10 through 18:^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@


Or for extra confirmation


double (s)
ans =

 Columns 1 through 17:

    32    67   111   108   117   109   110   115    32    49    32   116   104   114   111   117   103
     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0
    32    32    32    32    32    32    32    32    32    32    32    49    32    32    32    32    32
    32    32    32    32    32    32    32    32    32    32    32    49    32    32    32    32    32
     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0
    32    67   111   108   117   109   110   115    32    49    48    32   116   104   114   111   117
     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0     0




Rik <rik5>
Group administrator

 

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