initial version of `uhm` (ultimate hangman)

1 files changed, 52 insertions, 0 deletions

diff --git a/os1eindopdracht/uhm.awk b/os1eindopdracht/uhm.awk
new file mode 100755
index 0000000..c34333f
--- /dev/null
+++ b/os1eindopdracht/uhm.awk
@@ -0,0 +1,52 @@
+#!/bin/awk -f
+function prompt() {
+	printf "> "
+}
+
+BEGIN {
+	word=word
+	guessed_letters=""
+	guesses=10
+
+	prompt()
+}
+
+function header() {
+	printf "\n\n\n"
+	hidden_word = word
+	# replace all characters not in set `guessed_letters` with "_"
+	gsub("[^'"guessed_letters"]", "_", hidden_word)
+	print "current word: " hidden_word
+	print "you have " guesses " guess" (guesses == 1 ? "" : "es") " left"
+}
+
+function guess(a) {
+	if (index(guessed_letters, a) != 0) {
+		print "already guessed " a "!"
+		return
+	}
+	# append guess `a` to guessed_letters
+	guessed_letters = guessed_letters tolower(a)
+	# only subtract guess count if letter not in word
+	if (index(word, a) == 0) guesses -= 1
+
+	if (guesses == 0) {
+		print "you have no more guesses left!"
+		exit 0
+	}
+
+	temp = word
+	if (gsub("[^'"guessed_letters"]", "_", temp) == 0) { # check if all letters are guessed
+		print "you guessed the word!"
+		exit 0
+	}
+
+	header()
+}
+
+{
+	if (length($1) == 1) guess($1)
+	else print "please input a single letter"
+	prompt()
+}
+