Solution to scrablle in Bash

bash/scrabble-score/scrabble_score.sh

@@ -0,0 +1,35 @@
+#!/usr/bin/env bash
+
+score=0
+# converts the word to lowercase 
+word=$(echo $1 | tr '[:upper:]' '[:lower:]')
+for (( i=0; i<${#word}; i++ )); do
+    letter=${word:i:1}
+    case $letter in
+        [aeioulnrst])
+            score=$((score+1))
+            ;;
+        [dg])
+            score=$((score+2))
+            ;;
+        [bcmp])
+            score=$((score+3))
+            ;;
+        [fhvwy])
+            score=$((score+4))
+            ;;
+        [k])
+            score=$((score+5))
+            ;;
+        [jx])
+            score=$((score+8))
+            ;;
+        [qz])
+            score=$((score+10))
+            ;;
+        *)
+            ;;
+    esac
+done
+
+echo $score