SHELL

read file using shell script

#!/bin/bash
input="/path/to/txt/file"
while IFS= read -r line
do
  echo "$line"
done < "$input"

bash read file content

cat file | while read line
do
  echo "a line: $line"
done

bash read file

#if you want to display the contents of a file on the terminal, do:
$ cat filename.file