feat: переход на Go

.gitignore

@@ -0,0 +1,3 @@
+.idea/
+out/
+!out/.gitkeep

Makefile

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+#!make
+
+build-linux:
+	GOOS=linux go build -o out/ff_renamer main.go
+
+build-windows:
+	GOOS=windows go build -o out/ff_renamer.exe main.go

go.mod

@@ -0,0 +1,3 @@
+module ff_renamer
+
+go 1.21

main.go

@@ -0,0 +1,106 @@
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"regexp"
+	"slices"
+	"strconv"
+	"strings"
+)
+
+type Pair struct {
+	originFull string
+	newName    string
+	newFull    string
+	skip       bool
+}
+
+var (
+	exts = []string{
+		".jpg", ".jpeg", ".jfif",
+		".png", ".gif", ".webp",
+		".mp4", ".MP4", ".webm",
+	}
+
+	renameSlice []Pair
+
+	pattern, _ = regexp.Compile("^\\d+(-\\d)?$") // 123456789, 123456789-1
+)
+
+func generateName(baseName string) string {
+	counter := 1
+	name := baseName
+
+loop:
+	for {
+		for _, pair := range renameSlice {
+			if pair.newName == name {
+				name = fmt.Sprintf("%s-%d", baseName, counter)
+				counter++
+				continue loop
+			}
+		}
+		break
+	}
+
+	return name
+}
+
+func main() {
+	entries, err := os.ReadDir(".")
+	if err != nil {
+		panic(err)
+	}
+
+	renameSlice = make([]Pair, 0)
+
+	for _, entry := range entries {
+		if entry.IsDir() {
+			continue
+		}
+
+		ext := filepath.Ext(entry.Name())
+		extL := strings.ToLower(ext)
+		if !slices.Contains(exts, extL) {
+			continue
+		}
+
+		if pattern.MatchString(strings.TrimSuffix(entry.Name(), ext)) {
+			renameSlice = append(renameSlice, Pair{
+				originFull: entry.Name(),
+				skip:       true})
+			continue
+		}
+
+		info, err := entry.Info()
+		if err != nil {
+			panic(err)
+		}
+
+		newName := generateName(strconv.FormatInt(info.ModTime().Unix(), 10))
+
+		renameSlice = append(renameSlice, Pair{
+			originFull: entry.Name(),
+			newName:    newName,
+			newFull:    newName + extL})
+	}
+
+	counter := 0
+	for i, pair := range renameSlice {
+		if pair.skip || pair.originFull == pair.newFull {
+			continue
+		}
+
+		fmt.Printf("%d. %s --> %s\n", i+1, pair.originFull, pair.newFull)
+		err := os.Rename(pair.originFull, pair.newFull)
+		if err != nil {
+			panic(err)
+		}
+		counter++
+	}
+
+	fmt.Printf("Total: %d\n", len(renameSlice))
+	fmt.Printf("Renamed: %d\n", counter)
+}

script.sh

@@ -1,35 +0,0 @@
-#!bash
-
-PERL_SCRIPT=$(cat <<'EOF'
-@files = split(/:/, $ARGV[0]);
-@new_files = ();
-foreach $file (@files) {
-  if ($file =~ m#^\./.+\.(jpe?g|png|gif)$#) {
-    ($mtime) = (stat($file))[9];
-    $ext = $1;
-    $new_file = "./$mtime.$ext";
-    if ($new_file eq $file) {
-        next;
-    }
-    while (grep $_ eq $new_file, @new_files) {
-      if (! defined $suffix) {
-        $suffix = "-1";
-      } else {
-        $suffix = $suffix - 1;
-      }
-      $new_file = "./$mtime$suffix.$ext";
-    }
-    push(@new_files, $new_file);
-    $file =~ s#([ \(\)])#\\$1#g;
-    print "mv -n \"$file\" $new_file\n";
-    undef $suffix;
-  }
-}
-$count = @new_files;
-print "echo \"Renamed: $count\"\n";
-EOF
-)
-
-renamer() {
-  find . -maxdepth 1 -type f -print | tr '\n' ':' | xargs -I{} -- perl -e "$PERL_SCRIPT" '{}' | xargs -n1 -I{} -- bash -c '{}'
-}