Functional code.

d6.sh

@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
 # This is free and unencumbered software released into the public domain.
 #
 # Anyone is free to copy, modify, publish, use, compile, sell, or
@@ -86,7 +86,33 @@ do
 	esac
 done
 
-echo "NUM_WORDS=$NUM_WORDS"
-echo "WORDLIST=$WORDLIST"
-echo "DELIMITER=$DELIMITER"
-echo "CASE=$CASE"
+WORDS=""
+
+for i in $(seq 1 $NUM_WORDS)
+do
+	ROLLS=""
+	for j in {1..5}
+	do
+		ROLLS="$((1 + $RANDOM % 6))$ROLLS"
+	done
+
+	if [ $CASE == "upper" ]
+	then
+		WORD="$(awk "/$ROLLS/{ print toupper(\$2) }" $WORDLIST)"
+	elif [ $CASE == "lower" ]
+	then
+		WORD="$(awk "/$ROLLS/{ print tolower(\$2) }" $WORDLIST)"
+	else
+		WORD="$(awk "/$ROLLS/{ print \$2 }" $WORDLIST)"
+		WORD="${WORD^}"
+	fi
+
+	if [ $i -eq $NUM_WORDS ]
+	then
+		WORDS="${WORDS}${WORD}"
+	else
+		WORDS="${WORDS}${WORD}${DELIMITER}"
+	fi
+done
+
+echo "$WORDS"