Updated, fixed issues, added new sorting script

anagram.sh

@@ -1,16 +1,22 @@
 #!/bin/bash
 word=$(echo $1 | xargs)
+dictionary="${2:-words.txt}"
 if [[ $word = "" ]]; then
-    echo "usage: ./anagram.sh <word>"
+    echo "usage: ./anagram.sh <word> <dictionary file, optional>"
     exit 1
 fi
+if [ ! -f "sorted$dictionary" ]; then
+    echo "Sorted dictionary not found. Generating (this will take a while)..."
+    bash sorter.sh $dictionary
+    echo "Done!"
+fi
 wordsorted=$(echo $word | grep -o . | sort | tr -d "\n")
-lines=$(grep -xin -- "$wordsorted" sortedwords.txt | sed -e 's/:.*//g')
+lines=$(grep -xin -- "$wordsorted" sorted$dictionary | sed -e 's/:.*//g')
 if [[ $lines = "" ]]; then
     echo "No matches."
     exit 0
 fi
 readarray -t lines <<<"$lines"
 for i in "${lines[@]}"; do
-   sed "${i}q;d" words.txt | tr '[:upper:]' '[:lower:]'
+   sed "${i}q;d" $dictionary | tr '[:upper:]' '[:lower:]'
 done

sorter.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+inputfile=$1
+rm "sorted$inputfile" &>/dev/null
+while IFS= read -r line; do
+    echo $(printf "%s\n" "$line" | sed -- 's/./\0\n/g' | sort | tr -d -- "\n") >> sorted$inputfile
+done < $inputfile