A couple of things that might be the issue, or at least reasonable guesses.
1. Something in readin is trying to access a resource that does not exist
on this machine
2. permissions are set wrong on readin (needs to be x etc)
3. Something like ACL rules were set on readin
https://tylersguides.com/
In my /home/joe/bin directory, I have hundreds of
shell scripts that I use for various utilities.
Recently, thanks to advice from Matt Graham, I added these
lines to .bashrc which got most of those utilities to work:
export PATH=/home/joe/path:$PATH
However, one of the files in /home/joe/bin is
