From d7eec191b9b48a52fbca9b6a90357da0e36680ba Mon Sep 17 00:00:00 2001
From: Mitchell Riedstra <mitch@riedstra.dev>
Date: Wed, 28 Dec 2022 18:18:39 -0500
Subject: Add a couple of tiny little go utilities

---
 go/cmd/chardump/main.go | 41 +++++++++++++++++++++++++++++++++++++
 go/cmd/fixpths/main.go  | 54 +++++++++++++++++++++++++++++++++++++++++++++++++
 go/go.mod               |  3 +++
 3 files changed, 98 insertions(+)
 create mode 100644 go/cmd/chardump/main.go
 create mode 100644 go/cmd/fixpths/main.go
 create mode 100644 go/go.mod

(limited to 'go')

diff --git a/go/cmd/chardump/main.go b/go/cmd/chardump/main.go
new file mode 100644
index 0000000..c275205
--- /dev/null
+++ b/go/cmd/chardump/main.go
@@ -0,0 +1,41 @@
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"strconv"
+)
+
+var Logger = log.New(os.Stderr, "", 0)
+
+func dumpString(w io.Writer, s string) {
+	n := 0
+	for _, char := range s { // I don't care about the byte number, just chars...
+		// https://go.dev/ref/spec#Rune_literals
+		fmt.Fprintf(w,
+			"Number: %-4d Char: %-6s Unicode: %U Hex Bytes: %+v\n",
+			n,
+			strconv.QuoteRune(char),
+			char,
+			[]byte(string(char)))
+		n++
+	}
+}
+
+func main() {
+	buf := &bytes.Buffer{}
+
+	n, err := io.Copy(buf, os.Stdin)
+	if err != io.EOF && err != nil {
+		Logger.Fatalf("Failed to read stdin: %s\n", err)
+	}
+
+	Logger.Println("------------------------")
+	Logger.Printf("Read in %d bytes\n", n)
+	Logger.Println("------------------------")
+
+	dumpString(os.Stdout, buf.String())
+}
diff --git a/go/cmd/fixpths/main.go b/go/cmd/fixpths/main.go
new file mode 100644
index 0000000..6730276
--- /dev/null
+++ b/go/cmd/fixpths/main.go
@@ -0,0 +1,54 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/fs"
+	"log"
+	"os"
+	"path/filepath"
+	"regexp"
+)
+
+func main() {
+	fl := flag.NewFlagSet("fixpths", flag.ExitOnError)
+	pth := fl.String("p", "", "Path to scan and fix windows incompatible chars on")
+	rename := fl.Bool("rename", false, "Whether or not to actually rename the files to work on windows")
+	fl.Parse(os.Args[1:])
+
+	if *pth == "" {
+		fmt.Println("need a path")
+		os.Exit(2)
+	}
+
+	invalidChars := regexp.MustCompile(`(<|>|:|\||"|\\|\*|\?)`)
+
+	err := filepath.WalkDir(*pth, func(path string, d fs.DirEntry, err error) error {
+		if d.IsDir() {
+			return nil
+		}
+
+		if invalidChars.MatchString(path) {
+			if !*rename {
+				fmt.Printf("%s\n",
+					invalidChars.ReplaceAllString(path, "\033[1;31m${1}\033[0m"))
+			}
+
+			if *rename {
+				npath := invalidChars.ReplaceAllString(path, "_")
+				err := os.Rename(path, npath)
+				fmt.Printf("%s->%s\n", path, npath)
+				if err != nil {
+					log.Println(err)
+				}
+			}
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		log.Println(err)
+	}
+
+}
diff --git a/go/go.mod b/go/go.mod
new file mode 100644
index 0000000..55a923a
--- /dev/null
+++ b/go/go.mod
@@ -0,0 +1,3 @@
+module riedstra.dev/mitch/dotfiles/go
+
+go 1.19
-- 
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