Program looping dengan for versi 1

Bro, nie ada contoh program looping di shell,,,,
Nie screenshootnya :



Gmana hayo script kodenya????
Tnang gan, nie scriptnya :
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echo "Ini adalah contoh piramida angka:"

for (( i=1; i<=5; i++ ))
do
for (( j=1; j<=i; j++ ))
do
echo -n "$j"
done
echo ""
done
echo -e "\033[34m Code writed by mada"
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