How to duplicate string in bash?

Question

I have the following string in bash

str=\"kallel\"

I want to create from str an str2. The str2 conta

Answer 1

I am 100% stealing this answer from Bash : Duplicate a string variable n times but I thought it bore repeating (despite being on a 6 year old question):

$ yes "kallel" | head -20  | xargs | sed 's/ //g' | cut -c1-20
kallelkallelkallelka