end of day 5 week 1

week 1/day 5/exo2.sh

@@ -0,0 +1,19 @@
+#!/bin/bash
+
+read -p "please enter a phrase: " text
+
+if [[ -z "$text" ]]; then
+    echo "please enter a string"
+    exit
+fi
+
+count=0
+
+for ((i=0; i<${#text}; i++)); do
+    char="${text:i:1}"
+    if [[ "$char" =~ [A-Za-z]]]; then
+        count++
+    fi
+done
+
+echo "Your string contain $count letter"