From 4499710846507ed084b243c153cbbc322a612f8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Thorben=20G=C3=BCnther?= <admin@xenrox.net>
Date: Fri, 20 Dec 2019 18:55:26 +0100
Subject: [PATCH] Setup helper tools

Can parse a text file to strings or to ints.
---
 tools/file.go | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 tools/file.go

diff --git a/tools/file.go b/tools/file.go
new file mode 100644
index 0000000..fa4258e
--- /dev/null
+++ b/tools/file.go
@@ -0,0 +1,40 @@
+package tools
+
+import (
+	"bufio"
+	"os"
+	"strconv"
+)
+
+func ScanFileString(filename string) ([]string, error) {
+	file, err := os.Open(filename)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	scanner := bufio.NewScanner(file)
+	var lines []string
+	for scanner.Scan() {
+		lines = append(lines, scanner.Text())
+	}
+	return lines, scanner.Err()
+}
+
+func ScanFileInt(filename string) ([]int, error) {
+	file, err := os.Open(filename)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+	scanner := bufio.NewScanner(file)
+	var lines []int
+	for scanner.Scan() {
+		value, err := strconv.Atoi(scanner.Text())
+		if err != nil {
+			return nil, err
+		}
+		lines = append(lines, value)
+	}
+	return lines, scanner.Err()
+}
-- 
2.44.0