Thank you so much, @JMichaelTX.
You're always ready to help!!!
Inspired by a post years ago (reading a line from a file in shell):
and the example here (reading a line from a variable in shell):
I managed to get to use Shell script to work:

Thank you so much, @JMichaelTX.
You're always ready to help!!!
Inspired by a post years ago (reading a line from a file in shell):
and the example here (reading a line from a variable in shell):
I managed to get to use Shell script to work:
