Reading input files by line using read command in shell scripting skips last line

Question

I usually use the read command to read an input file to the shell script line by line. An example code such as the one below yields a wrong result if a new line isn\'t inser

Answer 1

DONE=false
until $DONE
do
  read line || DONE=true
  echo $line
done < blah.txt

How to use `while read` (Bash) to read the last line in a file if there’s no newline at the end of the file?