#!/bin/bash
print_triangle(){
n=$1
for((i=1;i<=n;i++)){
left=$((n-i))
printf "%${left}s"
for((j=1;j<=i;j++)){
printf "%s " "*"
}
echo
}
}
num=6
print_triangle $num

#!/bin/bash
print_triangle(){
n=$1
for((i=1;i<=n;i++)){
left=$((n-i))
printf "%${left}s"
for((j=1;j<=i;j++)){
printf "%s " "*"
}
echo
}
}
num=6
print_triangle $num