Create armstrong.sh

Author: Mrigank005

armstrong.sh

@@ -0,0 +1,38 @@
+#!/bin/bash
+count_digits() {
+    local num=$1
+    local count=0
+
+    while [ $num -gt 0 ]; do
+        num=$((num / 10))
+        count=$((count + 1))
+    done
+
+    echo $count
+}
+is_armstrong() {
+    local num=$1
+    local sum=0
+    local original_num=$num
+    local num_digits=$(count_digits $num)
+
+    while [ $num -gt 0 ]; do
+        digit=$((num % 10))
+        sum=$((sum + digit ** num_digits))
+        num=$((num / 10))
+    done
+
+    if [ $sum -eq $original_num ]; then
+        echo "true"
+    else
+        echo "false"
+    fi
+}
+read -p "Enter a number: " user_input
+    result=$(is_armstrong $user_input)
+
+    if [ $result == "true" ]; then
+        echo "$user_input is an Armstrong number."
+    else
+        echo "$user_input is not an Armstrong number."
+    fi