Merge

2023/1/1/solution.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+set -o errexit
+set -o nounset
+set -o pipefail
+if [[ "${TRACE-0}" == "1" ]]; then
+  set -o xtrace
+fi
+
+INPUT=$1
+
+main ()
+{
+  declare -a components
+  declare -i result=0
+  while read -r line; do
+    mapfile -t matches <<< "$(grep -o '[[:digit:]]' <<< "${line}")"
+    components+=("${matches[0]}${matches[-1]}")
+  done < "${INPUT}"
+  for value in "${components[@]}"; do
+    (( result += value ))
+  done
+  echo "${result}"
+}
+
+main