Question

shell script of a Pascal diamond​

Answer 1

echo "Insert the row:" read n for((i=0;i<$n;i++))

do

eval"a$i=($(w=1;v=1

for((j=0;j<$n-$i;j++))

do

[ $i -eq 0 -o $j -eq 0 ]&&{ v=1 && w=1; }||v=$((w+a$((i-1))[$((j))]))

echo -n "$v "

w=$v

done))"

eval echo "$(for((k=0;k<=$i;k++))

do

eval "echo -n \"\$((a\$((i-k))[k])) \""

done)"

done