1 files changed, 13 insertions, 0 deletions
diff --git a/prog/aoc/23/1/2.sh b/prog/aoc/23/1/2.sh
new file mode 100755
index 0000000..f9fd95c
--- /dev/null
+++ b/prog/aoc/23/1/2.sh
@@ -0,0 +1,13 @@
+function s () {
+	sed -e "s/\($1\)/\1$2\1/g"
+}
+s zero 0 |\
+s one 1 |\
+s two 2 |\
+s three 3 |\
+s four 4 |\
+s five 5 |\
+s six 6 |\
+s seven 7 |\
+s eight 8 |\
+s nine 9