/Shell/Bash/Creating a 2d array in a script in linux shell

Creating a 2d array in a script in linux shell

#!/bin/bash
declare -A matrix
num_rows=4
num_columns=5

for ((i=1;i<=num_rows;i++)) do
    for ((j=1;j<=num_columns;j++)) do
        matrix[$i,$j]=$RANDOM
    done
done

f1="%$((${#num_rows}+1))s"
f2=" %9s"

printf "$f1" ''
for ((i=1;i<=num_rows;i++)) do
    printf "$f2" $i
done
echo

for ((j=1;j<=num_columns;j++)) do
    printf "$f1" $j
    for ((i=1;i<=num_rows;i++)) do
        printf "$f2" ${matrix[$i,$j]}
    done
    echo
done

Similar codes

1 vote321 views3 answers
Cordova could not install from "android" as it does not contain a package.json file.
Shell/Bash
0 vote316 views1 answer
Cpickle
Shell/Bash
0 vote305 views1 answer
Install wmctrl in mac
Shell/Bash
1 vote329 views1 answer
Git hub folder not accessilble
Shell/Bash
0 vote323 views1 answer
How to list banned IP ubuntu
Shell/Bash
-1 vote329 views1 answer
Install netflix on ubuntu
Shell/Bash
20 votes317 views2 answers
Telegram cli install ubuntu
Shell/Bash
14 votes327 views2 answers
Docker sudo how to add user
Shell/Bash
0 vote304 views1 answer
Install pyaudio in pycharm
Shell/Bash
1 vote409 views1 answer
Github color
Shell/Bash