1 files changed, 82 insertions, 0 deletions
diff --git a/io_helpers.go b/io_helpers.go
new file mode 100644
index 0000000..3bf9600
--- /dev/null
+++ b/io_helpers.go
@@ -0,0 +1,82 @@
+package main
+
+import (
+	"bufio"
+	"encoding/csv"
+	"encoding/json"
+	"fmt"
+	"io/ioutil"
+	"os"
+)
+
+func readLines(filepath string) []string {
+	file, err := os.Open(filepath)
+	if err != nil {
+		panic(err)
+	}
+	defer file.Close()
+
+	resp := []string{}
+	scanner := bufio.NewScanner(file)
+	for scanner.Scan() {
+		resp = append(resp, scanner.Text())
+	}
+
+	if err := scanner.Err(); err != nil {
+		panic(err)
+	}
+	return resp
+}
+
+// writeLines writes the lines to the given file.
+func writeLines(lines []string, path string) error {
+	file, err := os.Create(path)
+	if err != nil {
+		return err
+	}
+	defer file.Close()
+
+	w := bufio.NewWriter(file)
+	for _, line := range lines {
+		fmt.Fprintln(w, line)
+	}
+	return w.Flush()
+}
+
+func readJson(filepath string) map[string]string {
+	data := make(map[string]string)
+	plan, err := ioutil.ReadFile(filepath)
+	if err != nil {
+		return data
+	}
+	err = json.Unmarshal(plan, &data)
+	if err != nil {
+		panic(err)
+	}
+	return data
+}
+
+func writeJson(data map[string]string) {
+	metadataJson, _ := json.MarshalIndent(data, "", "  ")
+	err := ioutil.WriteFile(metadataPath, metadataJson, 0644)
+	if err != nil {
+		panic(err)
+	}
+}
+
+func writeCSV(data [][]string) {
+	f, err := os.Create(metadataPathCSV)
+	defer f.Close()
+
+	if err != nil {
+		panic(err)
+	}
+
+	w := csv.NewWriter(f)
+	w.Comma = '\t'
+	defer w.Flush()
+
+	if err := w.WriteAll(data); err != nil {
+		panic(err)
+	}
+}