Taking semi colon delimited args in for loop

split-names.bash

#!/bin/bash
  
#STR="Sarah;Lisa;Jack;Rahul;Johnson"  #String with names
STR=$(cat users.txt)

if [ -z $STR ] ; then
        echo "STR is not set."
        exit 1
fi

IFS=';' read -ra NAMES <<< "$STR"    #Convert string to array

#Print all names from array
for i in "${NAMES[@]}"; do
    echo $i
done