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[Octave-bug-tracker] [bug #63655] io -- csv2cell line length limit

From: Duane Kaufman
Subject: [Octave-bug-tracker] [bug #63655] io -- csv2cell line length limit
Date: Fri, 13 Jan 2023 10:23:48 -0500 (EST)


                 Summary: io -- csv2cell line length limit
                 Project: GNU Octave
               Submitter: duanekaufman
               Submitted: Fri 13 Jan 2023 03:23:46 PM UTC
                Category: Octave Forge Package
                Severity: 3 - Normal
                Priority: 5 - Normal
              Item Group: Performance
                  Status: None
             Assigned to: None
         Originator Name: Duane Kaufman
        Originator Email: 
             Open/Closed: Open
                 Release: 7.3.0
         Discussion Lock: Any
        Operating System: Any
           Fixed Release: None
         Planned Release: None


Follow-up Comments:

Date: Fri 13 Jan 2023 03:23:46 PM UTC By: Duane Kaufman <duanekaufman>
I'm currently trying to use Octave to analyze data taken with a photoacoustic
research device.
The device writes out data into a csv file, which can be read by Excel, or
LibreOffice. The waveform data however is placed in a single row, and can at
times consist of over 10k ADC readings, which leads to a line length at times
of over 72k characters.
The native csv2cell packaged in the io package cannot handle this.
When I modify a local version to have a MAXSTRINGLENGTH of 131072, I can read
the files I need to.
Since this value is only for a single character buffer allocation, why can't
this be set much larger by default?


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