Initial version 1.0.0

main.go

@@ -0,0 +1,81 @@
+package main
+
+import (
+	"encoding/csv"
+	"fmt"
+	"log"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+const VERSION = "1.0.0"
+
+func main() {
+	if len(os.Args) < 2 {
+		usage()
+		os.Exit(1)
+	}
+
+	src, err := ExpandPath(os.Args[1])
+	if err != nil {
+		panic(err)
+	}
+	if _, err := os.Stat(src); err != nil {
+		panic(err)
+	}
+
+	result := convert(readCsv(src))
+	for _, row := range result {
+		fmt.Println(row)
+	}
+}
+
+func usage() {
+	fmt.Fprintln(os.Stderr, "csv2md v" + VERSION)
+	fmt.Fprintln(os.Stderr, "Usage: csv2md data.csv > data.md")
+}
+
+func ExpandPath(path string) (string, error) {
+	homepath, err := os.UserHomeDir()
+	if err != nil {
+		return "", err
+	}
+	newpath, err := filepath.Abs(strings.Replace(path, "~", homepath, 1))
+	return newpath, err
+}
+
+func readCsv(filePath string) [][]string {
+    f, err := os.Open(filePath)
+    if err != nil {
+        log.Fatal("Unable to read input file " + filePath, err)
+    }
+    defer f.Close()
+
+    csvReader := csv.NewReader(f)
+    records, err := csvReader.ReadAll()
+    if err != nil {
+        log.Fatal("Unable to parse file as CSV for " + filePath, err)
+    }
+
+    return records
+}
+
+func convert(records [][]string) []string {
+	var result []string
+	for idx, row := range records {
+		str := "| "
+		for _, col := range row {
+			str += col + " | "
+		}
+		result = append(result, str)
+		if idx == 0 {
+			str := "| "
+			for range row {
+				str += "--- | "
+			}
+			result = append(result, str)
+		}
+	}
+	return result
+}