MATLAB: Text from script appears in command window

command windowechoncgeodatasetscript contents

Recently Matlab has been having an odd glitch: when I call scripts, sections of text from those scripts appear in the command window, often repeated again and again (as when the script is going through a loop). This is harmless in that it doesn't affect the processing of the scripts, but frustrating when I want to have some output visible in the command window and it is filled with thousands of lines of code!
For instance, if I run a sample file, the command window looks like this:
>> samplefile
%This is a sample file
%It doesn't really do anything
a=[6 2 3];
b=[3 4 4];
result=a+b;
disp(result);disp(clock);
9 6 7
2020 1 10 14 47 9.4269
I've checked that diary is off, but other than that am not sure what to check or reset to stop this from happening.