Printf in bash

printf "$your_var1 $your_var2 $(tail -n -1 your.log | grep Word_to_grep ) \n" >> ../opt_done.txt 

# several things, 
# printf with \n new line
# $(tail -n -1 your.log | grep Word_to_grep )  --> is a command, will output whats comes in terminal
			(if final line of the document has "Normal" to grep it will grep, oherwise nothing 
# $your_var1 $your_var2 variables
# >> this is an appending,

Printf @ bash

printf "My brother %s is %d years old.\n" Prakash 21

Source: linuxhandbook.com

Similar codes

3 votes167 views2 answers
Bash for i in range
Shell/Bash
0 vote117 views1 answer
Could not load reporter by name: mochawesome
Shell/Bash
0 vote164 views1 answer
Sh script options
Shell/Bash
54 votes153 views6 answers
Php artisan clear
Shell/Bash
183 votes476 views6 answers
Update pip
Shell/Bash
0 vote153 views1 answer
Linux mail delete all
Shell/Bash
0 vote153 views2 answers
Hash sum mismatch ubuntu
Shell/Bash
2 votes167 views1 answer
Aws cli ec2 list instances
Shell/Bash
0 vote165 views1 answer
Install pytorch in virtual environment
Shell/Bash
5 votes163 views2 answers
How to change my git default editor to vs code
Shell/Bash