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Tag: linux

Unexpected characters coming in bash in while loop

I am trying to get IP of a few 1000 domains… below is my program… it shows me sh -x domains-ip.sh $ and ‘ and r is not something I was expecting… Any idea where I am doing wrong? I check While Loop in Bash Unexpected Character but the selected answer I am also using… PS: is there…

How to get consolidated count of delimiter occurrence

I have a requirement to fetch the count the occurrence of ‘|’ in each line of a file then match the count with given inputcount, needs to throw exception when the count is wrong. Say if the inputcount=3 and the file has following content then exception should get thrown on executing the line 2 and…

Linux – Store a sql select value in a variable bash

I want to store the value of the sqlite statement in a variable backup=$(sqlite3 “/home/miguel/Desktop/SO/ProjetoFinal/Backup_Principal.db” “SELECT periocidade_backup FROM STORAGE WHERE path’$path’;”) But when i echo $backup it returns the following: sqlite3 “/home/mi…

Changing process priorities

Building off of this, I would like to change process priorities based on RAM usage. I’m perfectly aware that this isn’t always the best way to change priorities, but this is just for a project. I’m trying to use renice and execvp to set process priorities. The problem is that I want to launc…

Add more new lines to end of line in stdout

I want to be able to print out my logs with extra new lines. This is what the logs look like They look much cluttered in the terminal and although there is a newline, I want to add 1 more newline to make it more readable. I tried using and to no avail. Answer Not entirely certain about portability, but