How to extend sendmail wrapping

The sendmail function page at:

https://www.mathworks.com/help/matlab/ref/sendmail.html

states that "sendmail automatically wraps text at 75 characters".

How do I increase this limit, or turn off wrapping altogether (preferably)?

Answer 1

[Jonas]

type

edit sendmail

and look into

function toSend = formatText(msgText)

there you can find the line

maxLineLength = 75;

which you can set to inf

you could also change the sendmail function and add another variable by changing the head of the function sendmail and formatText to e.g.

function sendmail(to,subject,theMessage,attachments,maxChars)
if nargin<5 || isempty(maxChars) || ~isnumeric(maxChars) || maxChars<=0
    maxChars=75; % define some default
else
    maxChars=ceil(maxChars); % to avoid non integer input
end

% ...

body = formatText(theMessage,maxChars);

% ...

function toSend = formatText(msgText,maxChars)

% ...
    
maxLineLength = maxChars;

% ...

then you would be more flexible in amount of character wrapping

[József Vass]

Thanks a lot! I made a copy of sendmail.m called MySendMail.m, and modified it as per your suggestions. It's working as intended.

[Jonas]

nice to hear. have a nice day!