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Re: How to read txt file and output to display

From: Mike Miller
Subject: Re: How to read txt file and output to display
Date: Thu, 14 Mar 2019 14:18:11 -0700
User-agent: Mutt/1.10.1 (2018-07-13)

On Thu, Mar 14, 2019 at 15:30:38 -0500, sb wrote:
> I have a txt file which includes a help text for a program that I am trying
> to write.
> I want to display its contents to the display (i.e. read from txt file and
> flush its content to the display) when selected from a menu.
> I couldn't find the exact command to do this (if any)?
> Most of the commands refer to reading data with delimiters. I want to read
> from a simple txt file which includes text (any length and any number of
> lines).
> Is this possible?

Of course. The simplest solution is probably the 'type' function:

    filename = "/path/to/README.txt";
    type ("-q", filename)

Another very easy way is the 'fileread' function:

    filename = "/path/to/README.txt";
    disp (fileread (filename));

Or if you like to read the file line-by-line:

    filename = "/path/to/README.txt";
    fid = fopen (filename, "r");
    while (! feof (fid))
      s = fgets (fid);
      fputs (stdout, s);
    fclose (fid);


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