[Octave-bug-tracker] [bug #46608] error() always prints backtrace

[Rik]

URL:
  <http://savannah.gnu.org/bugs/?46608>

                 Summary: error() always prints backtrace
                 Project: GNU Octave
            Submitted by: rik5
            Submitted on: Fri 04 Dec 2015 05:15:22 PM PST
                Category: Interpreter
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Regression
                  Status: None
             Assigned to: None
         Originator Name: 
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: dev
        Operating System: Any

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Details:

In 4.0.0, the backtrace from an error could be disabled by ending the error
message with a newline.  That is no longer possible in the development version
of Octave and the documentation for error() and warning() should be updated.

However, there is a new mechanism to disable backtraces.


warning ("off", "backtrace");


Unfortunately, this seems to be inoperative.

With the following function tst_err.m,


function [retval] = tst_err (x, y)
  error ("Format string ending in newline\n");
endfunction


the sample session is


octave:1> diary on
octave:2> warning ("off", "backtrace")
octave:3> tst_err
error: Format string ending in newline
error: called from
    tst_err at line 2 column 3
octave:3> diary off







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