How do you read the contents of a file in shell script?

Reading File Content Using Script

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

How do I read multiple files in a bash script?

Reading Multiple Files with Bash

exec 7
read data1 <&7 read data2 <&8.
exec 7

How do you display a text file in Linux terminal?

Crack open a terminal window and navigate to a directory containing one or more text files that you want to view. Then run the command less filename , where filename is the name of the file you want to view.

What is the meaning of first line of shell script ,what is?

The first line tells the shell that if you execute the script directly (./run.sh; as opposed to /bin/sh run.sh), it should use that program (/bin/sh in this case) to interpret it. You can also use it to pass arguments, commonly -e (exit on error), or use other programs (/bin/awk, /usr/bin/perl, etc).

How to read a Linux file line by line?

Syntax: Read file line by line on a Bash Unix & Linux shell: The syntax is as follows for bash, ksh, zsh, and all other shells to read a file line by line while read -r line; do COMMAND; done < input.file The -r option passed to read command prevents backslash escapes from being interpreted. Add IFS= option before read command to prevent leading/trailing whitespace from being trimmed –

How do I read a file in Unix?

Syntax: Read file line by line on a Bash Unix & Linux shell: The syntax is as follows for bash, ksh, zsh, and all other shells to read a file line by line. while read -r line; do COMMAND; done < input.file. The -r option passed to read command prevents backslash escapes from being interpreted.

How do you read files in Linux?

Systemd-journald is the common way to read a log file in Linux, especially with the journalctl command. This will show all messages written to your system, and you can use the arrow keys to navigate the output.