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

0 vote205 views1 answer
Powershell delete columns in multiple csv files
Shell/Bash
1 vote199 views2 answers
Pacman arch
Shell/Bash
1 vote209 views2 answers
Send file netcat
Shell/Bash
2 votes192 views1 answer
Flutter build aab
Shell/Bash
1 vote197 views1 answer
Install ngrx/effects
Shell/Bash
0 vote264 views1 answer
Add the Inkscape repository to your apt package manager
Shell/Bash
0 vote185 views1 answer
Get file until match without including
Shell/Bash
-1 vote191 views1 answer
Errors were encountered while processing: ubuntu
Shell/Bash
18 votes211 views5 answers
Git push set upstream
Shell/Bash
0 vote253 views1 answer
Install hyper-v Windows 10 Home
Shell/Bash