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Re: new function: textscan.m
From: |
Ben Abbott |
Subject: |
Re: new function: textscan.m |
Date: |
Sat, 23 Oct 2010 13:30:19 +0800 |
On Oct 23, 2010, at 9:56 AM, John W. Eaton wrote:
> On 23-Oct-2010, Ben Abbott wrote:
>
> | Regarding a is_valid_file_id() function, I like the idea. Can this
> | be done as an m-file?
>
> We could check that a value is a scalar integer >= 0 in a .m file.
> But would it also be useful to know whether the file ID refers to an
> open file? If so, then I think the function will have to be built
> in, and it should be pretty easy to add something to the
> octave_stream_list class to do the work. Or should we allow invalid
> file IDs and just wait for reading/writing to fail?
>
> jwe
I'd prefer that the function checks that the fid is attached to a file.
I just noticed that fopen() can do this ...
[file, mode, arch] = fopen (fid);
That can be used to implement a m-file version.
Ben
- new function: textscan.m, Ben Abbott, 2010/10/22
- new function: textscan.m, John W. Eaton, 2010/10/22
- Re: new function: textscan.m, Ben Abbott, 2010/10/22
- Re: new function: textscan.m, John W. Eaton, 2010/10/22
- Re: new function: textscan.m, Ben Abbott, 2010/10/23
- Re: new function: textscan.m, John W. Eaton, 2010/10/23
- Re: new function: textscan.m, Ben Abbott, 2010/10/23
- Re: new function: textscan.m, John W. Eaton, 2010/10/23
- Re: new function: textscan.m, John W. Eaton, 2010/10/22
- Re: new function: textscan.m, Michael D Godfrey, 2010/10/22
- Re: new function: textscan.m,
Ben Abbott <=
- Re: new function: textscan.m, John W. Eaton, 2010/10/23
- Re: new function: textscan.m, Michael D Godfrey, 2010/10/23
- Re: new function: textscan.m, John W. Eaton, 2010/10/23
- Message not available
- Re: new function: textscan.m, Ben Abbott, 2010/10/23
- Re: new function: textscan.m, Liam Groener, 2010/10/23
- Re: new function: textscan.m, Ben Abbott, 2010/10/23