arreglos y función showerrors

wordle.sh

@@ -1,7 +1,19 @@
 #!/bin/bash
-# grep -iEw "n..io" palabras.txt
+# fanta <fanta@56k.es>
+# Helper script to find words in the spanish worlde version
+wordList="words-es.txt"
+
+function showError(){
+  echo "[Error] $1"
+}
+
 if [ -z "$1" ]; then
-  echo "Mete el parametro. Ejemplo: wordle.sh n..io . Siendo los puntos lo que desconoces."
+  showError "Example: wordle.sh n..io  (The dots are the unknown characters)"
 else
-  grep -iEw "$1" palabras.txt
+  if [ $(echo -n "$1" | wc -m) -le 5 ]; then
+    grep -iEw "$1" $wordList
+    # la salida tendria que ser de palabras solamente con 5 caracteres
+  else
+    showError "Too many characters my friend. They must be 5"
+  fi
 fi