Thread Subject: how to stop execution

This might seem like a dumb question, but how do you stop code execution? I dont mean 'return', or 'dbstop', or 'error'. I just want to stop the code immediately, with no fanfare and just return to the command line. Strangley enough, i can't seem to find a command that does this! "Return" doesn't necessarily work if the current function is not the main function. "dbstop" puts it in debug mode. "quit" quits matlab.

I've looked and looked and can't find this simple command.

Todd Welti wrote:
> This might seem like a dumb question, but how do you stop code execution? I dont mean
> 'return', or 'dbstop', or 'error'. I just want to stop the code immediately, with no
> fanfare and just return to the command line.

There isn't a way: all of those routines have to be unwound and their workspaces
cleaned up, which might invoke exit handlers, and so on.

The closest I can think of is to have your main routine have a try/catch
and then when you wish to abort, error() the particular string that the
catch is keyed for, and when you detect it, bail out cleanly from your
main routine.

ctrl+c

"Matt Fig" <spamanon@yahoo.com> wrote in message <gp9cig$lul$1@fred.mathworks.com>...
> ctrl+c

I meant a command that would be in the code.

Walter Roberson <roberson@hushmail.com> wrote in message <XgWtl.34251$l71.6225@newsfe23.iad>...
> Todd Welti wrote:
> > This might seem like a dumb question, but how do you stop code execution? I dont mean
> > 'return', or 'dbstop', or 'error'. I just want to stop the code immediately, with no
> > fanfare and just return to the command line.
>
> There isn't a way: all of those routines have to be unwound and their workspaces
> cleaned up, which might invoke exit handlers, and so on.
>
> The closest I can think of is to have your main routine have a try/catch
> and then when you wish to abort, error() the particular string that the
> catch is keyed for, and when you detect it, bail out cleanly from your
> main routine.

Yes, that should work. is it just me or is it strange that there is not such a command - like ctrl c, but useable in an mfile?

"Todd Welti" <twelti@harman.com> wrote in message <gp9ir2$kcf$1@fred.mathworks.com>...
> Walter Roberson <roberson@hushmail.com> wrote in message <XgWtl.34251$l71.6225@newsfe23.iad>...
> > Todd Welti wrote:
> > > This might seem like a dumb question, but how do you stop code execution? I dont mean
> > > 'return', or 'dbstop', or 'error'. I just want to stop the code immediately, with no
> > > fanfare and just return to the command line.
> >
> > There isn't a way: all of those routines have to be unwound and their workspaces
> > cleaned up, which might invoke exit handlers, and so on.
> >
> > The closest I can think of is to have your main routine have a try/catch
> > and then when you wish to abort, error() the particular string that the
> > catch is keyed for, and when you detect it, bail out cleanly from your
> > main routine.
>
> Yes, that should work. is it just me or is it strange that there is not such a command - like ctrl c, but useable in an mfile?

help keyboard

(or modify finish.m and use quit cancel)

hth
Jos