can I run 'su' in the middle of a bash script?

Question

can I change/su user in the middle of a script?

if [ \"$user\" == \"\" ]; then
  echo \"Enter the table name\";
  read user
fi

gunzip *
chown postgres *
su pos         


        

Answer 1

Refer to answers in below question,

You can write between << EOF and EOF as mentioned in answers.

#!/bin/bash
whoami
sudo -u someuser bash << EOF
echo "In"
whoami
EOF
echo "Out"
whoami

How do I use su to execute the rest of the bash script as that user?