Bash Read a file (data stream, variable) line-by-line (and/or field-by-field)? Looping through a file line by line
Example
while IFS= read -r line; do
echo "$line"
done <file
If file may not include a newline at the end, then:
while IFS= read -r line || [ -n "$line" ]; do
echo "$line"
done <file
