First step: write out verbatim template files

2 files changed, 54 insertions, 4 deletions

diff --git a/main.go b/main.go
index c6799f7..e2da4cd 100644
--- a/main.go
+++ b/main.go
@@ -7,6 +7,7 @@ import (
 	"log"
 	"os"
 	"strings"
+	"time"
 
 	"github.com/jszwec/csvutil"
 )
@@ -159,7 +160,7 @@ func run() error {
 		return err
 	}
 
-	return writeVerbatim()
+	return write(cfg)
 }
 
 func main() {
diff --git a/template.go b/template.go
index df215e5..67cd565 100644
--- a/template.go
+++ b/template.go
@@ -2,19 +2,68 @@ package main
 
 import (
 	"embed"
+	"fmt"
+	"io"
+	"io/fs"
+	"os"
+	"path"
+
+	"golang.org/x/text/encoding/charmap"
 )
 
+const verbatimPath = "templates/verbatim"
+
 //go:embed templates/verbatim
 var verbatim embed.FS
 
-func writeVerbatim() error {
-	entries, err := verbatim.ReadDir("templates/verbatim")
+//goland:noinspection GoUnhandledErrorResult
+func writeVerbatimFile(outputDir string, entry fs.DirEntry) error {
+	inName := path.Join(verbatimPath, entry.Name())
+
+	input, err := verbatim.Open(inName)
+	if err != nil {
+		return fmt.Errorf("reading bundled file '%s': %w", entry.Name(), err)
+	}
+	defer input.Close()
+
+	outName := path.Join(outputDir, entry.Name())
+	output, err := os.Create(outName)
+	if err != nil {
+		return fmt.Errorf("creating '%s': %w", outName, err)
+	}
+	defer output.Close()
+
+	encodedOutput := charmap.ISO8859_1.NewEncoder().Writer(output)
+
+	if _, err = io.Copy(encodedOutput, input); err != nil {
+		return fmt.Errorf("writing to '%s': %w", outName, err)
+	}
+
+	return nil
+}
+
+func writeVerbatim(outputDir string) error {
+	entries, err := verbatim.ReadDir(verbatimPath)
 	if err != nil {
 		return err
 	}
 
 	for _, e := range entries {
-		print(e.Name())
+		if err = writeVerbatimFile(outputDir, e); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+func write(config EngardeConfig) error {
+	if err := os.MkdirAll(config.outputDir, 0755); err != nil {
+		return fmt.Errorf("creating output directory '%s': %w", config.outputDir, err)
+	}
+
+	if err := writeVerbatim(config.outputDir); err != nil {
+		return fmt.Errorf("copying default files: %w", err)
 	}
 
 	return nil