How Do I Read a File in Bash

How to Read a File Line By Line in Bash. The input file ( $input ) is the name of the file you need use by the read command. The read command reads the file line by line, assigning each line to the $line bash shell variable. Once all lines are read from the file the bash while loop will stop.

How do I read a text file in bash?

1. #!/bin/bash.
2. file=’read_file.txt’
3. i=1.
4. while read line; do.
5. #Reading each line.
6. echo “Line No. $ i : $line”
7. i=$((i+1))
8. done < $file.

How do I view files in Terminal bash?

1. cat command.
2. less command.
3. more command.
4. gnome-open command or xdg-open command (generic version) or kde-open command (kde version) – Linux gnome/kde desktop command to open any file.
5. open command – OS X specific command to open any file.