Line by Line: while read

while IFS= read -r line reads a file one whole line at a time, spaces and backslashes kept, and while and until repeat commands for as long as a condition is true, or until it becomes true.

Updated

Cheat sheet for the lesson Line by Line: while read: while IFS= read -r line reads a file one whole line at a time, spaces and backslashes kept, and while and until repeat commands for as long as a condition is true, or until it becomes true.
Category
Bash
Level
Journeyman
Tags
ifs, linux, redirection, standard-streams, unix, until-loop, while-loop