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

-1 vote195 views2 answers
Migrate fresh
Shell/Bash
1 vote183 views4 answers
Install ssh ubuntu 20.04
Shell/Bash
0 vote194 views1 answer
Should mocha and chai be npm installed as dependencies or dev dependencies
Shell/Bash
5 votes186 views1 answer
Tmux for ubuntu
Shell/Bash
0 vote196 views1 answer
Video to gif ffmpeg palette
Shell/Bash
0 vote201 views1 answer
Watch tail file linux
Shell/Bash
1 vote194 views1 answer
Connect vscode to gitlab
Shell/Bash
4 votes186 views1 answer
Windows command turn off screen
Shell/Bash
-2 votes199 views1 answer
Python pycrypto install error
Shell/Bash
63 votes204 views2 answers
How to remove remote origin from git repo
Shell/Bash