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

2 votes122 views2 answers
Could not find a version that satisfies the requirement psycopg2
Shell/Bash
89 votes117 views6 answers
Clear npm cache
Shell/Bash
1 vote116 views1 answer
How to uninstall vpython
Shell/Bash
1 vote106 views1 answer
Cisco save running config
Shell/Bash
2 votes115 views2 answers
Openssl generate self signed certificate
Shell/Bash
0 vote123 views1 answer
Change or set password interactively prompt in linux
Shell/Bash
4 votes121 views1 answer
Linux command find file with extension
Shell/Bash
1 vote119 views1 answer
Set environamnt variable in service linux
Shell/Bash
0 vote109 views1 answer
Clone repo with large size using git bash
Shell/Bash
0 vote100 views1 answer
› Error: Missing required flag: › -a, --app APP app to run command against › See more help with --help
Shell/Bash