readability

README.md

@@ -11,9 +11,13 @@ provide more information in the form of e.g. graphics.
 Run a solution by passing the puzzle input to the program:
 
 ```
-./two.bash < input2
+./two.awk < input2
 ```
 or
 ```
 ./five.py -v < test5
 ```
+or
+```
+kotlinc -include-runtime -d seven.jar seven.kt && java -jar seven.jar < input7
+```

two.awk

@@ -0,0 +1,27 @@
+#!/usr/bin/awk -f
+
+function score() {
+    if(a["red"] <= 12 && a["green"] <= 13 && a["blue"] <= 14) sum1 += round
+    sum2 += a["red"] * a["green"] * a["blue"]
+}
+
+BEGIN {
+    RS="[:,;\n]"
+}
+
+$1=="Game" {
+    score()
+    round=$2
+    delete a
+    next
+}
+
+{
+    a[$2] = $1 > a[$2] ? $1 : a[$2]
+}
+
+END {
+    score()
+    print sum1
+    print sum2
+}

two.bash

@@ -1,5 +0,0 @@
-if ! f=$(mktemp); then exit 1; fi
-cat > "$f"
-(cat "$f"; echo Game) | awk -v RS='[:,;\n]' '$1=="Game" {if(a["red"] <= 12 && a["green"] <= 13 && a["blue"] <= 14) sum+=round; round=$2; delete a; next} 1 {a[$2] = $1 > a[$2] ? $1 : a[$2]} END {print sum}'
-(cat "$f"; echo Game) | awk -v RS='[:,;\n]' '$1=="Game" {sum+= a["red"] * a["green"] * a["blue"]; delete a; next} 1 {a[$2] = $1 > a[$2] ? $1 : a[$2]} END {print sum}'
-rm "$f"