From 67ae111303e1fa7be067ec699b1d9736150c608e Mon Sep 17 00:00:00 2001
From: Patrick Michl <patrick.michl@hetzner.com>
Date: Sat, 7 Dec 2024 18:42:37 +0100
Subject: [PATCH] reduce code duplication in day07

---
 day07.sh | 31 +++++++++----------------------
 1 file changed, 9 insertions(+), 22 deletions(-)

diff --git a/day07.sh b/day07.sh
index 16f32a6..b77a7e7 100644
--- a/day07.sh
+++ b/day07.sh
@@ -20,8 +20,8 @@ solve() {
   }
 }
 
-p1() {
-  local input="$1" result=0
+do_part() {
+  local part="$1" result=0
 
   while read -r num; do
     ((result += num))
@@ -32,34 +32,21 @@ p1() {
         local nums=() target
         read -ra nums <<<"${line#*: }"
         target="${line%:*}"
-        solve 1 "$target" "${nums[@]}"
+        solve "$part" "$target" "${nums[@]}"
       } &
-    done <<<"$input"
+    done
     wait
   )
 
   printf '%d' "$result"
 }
 
+p1() {
+  do_part 1 <<<"$1"
+}
+
 p2() {
-  local input="$1" result=0
-
-  while read -r num; do
-    ((result += num))
-  done < <(
-    while read -r line; do
-      while ((${NUM_JOBS@P} >= 16)); do wait -n; done
-      {
-        local nums=() target
-        read -ra nums <<<"${line#*: }"
-        target="${line%:*}"
-        solve 2 "$target" "${nums[@]}"
-      } &
-    done <<<"$input"
-    wait
-  )
-
-  printf '%d' "$result"
+  do_part 2 <<<"$1"
 }
 
 main "$@"