'Bash, create multiple arrays with different names using loops

I'm currently learning script shell programming(bash), and trying to make multiple arrays with different names by looping so that I could put the data according to the length of my data files. I've done getting the length of the data file(marked as 'num'), and here's what I could think in my brain.

for (( i=0; i<num; i++ ))
do  
    let array$i=()
done

I've looked up many method but it didn't work. I'm a newbie to bash so any comments / recommendations / teachings would be so appreciated. Thank you.

bashshell


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