File detective

commands/fdetect.go

@@ -0,0 +1,339 @@
+package commands
+
+import (
+	"context"
+	"fmt"
+	"os"
+	"path/filepath"
+	"sort"
+	"strings"
+	"time"
+
+	"github.com/fatih/color"
+	"github.com/olekukonko/tablewriter"
+	"github.com/urfave/cli/v3"
+	"golang.org/x/term"
+)
+
+// COLORS
+var (
+	colorCyan   = color.New(color.FgCyan, color.Bold)
+	colorYellow = color.New(color.FgYellow)
+)
+
+// TERMINAL WIDTH
+func termWidth() int {
+	width, _, err := term.GetSize(int(os.Stdout.Fd()))
+	if err != nil || width < 40 {
+		return 60
+	}
+	if width > 80 {
+		return 80
+	}
+	return width
+}
+
+// SECTION HEADER
+func printSection(icon, title string) {
+	w := termWidth()
+	dashes := w - len(icon) - len(title) - 6
+	if dashes < 2 {
+		dashes = 2
+	}
+	fmt.Println()
+	colorCyan.Printf("┌─ %s %s %s\n\n", icon, title, strings.Repeat("─", dashes))
+}
+
+// DIVIDER
+func printDivider() {
+	colorCyan.Println("└" + strings.Repeat("─", termWidth()-1))
+}
+
+// NO RESULT
+func noResult(msg string) {
+	colorYellow.Println("  ⚠  " + msg)
+}
+
+// TABLE HELPER
+func newTable(headers []string) *tablewriter.Table {
+	table := tablewriter.NewWriter(os.Stdout)
+	table.SetHeader(headers)
+	table.SetBorder(true)
+	table.SetCenterSeparator("┼")
+	table.SetColumnSeparator("│")
+	table.SetRowSeparator("─")
+	return table
+}
+
+func FileDetectCommand() *cli.Command {
+	return &cli.Command{
+		Name:  "sift",
+		Usage: "Detect and scan files with various filters",
+		Flags: []cli.Flag{
+			&cli.BoolFlag{Name: "emt", Aliases: []string{"e"}, Usage: "Find empty files"},
+			&cli.IntFlag{Name: "rec", Aliases: []string{"r"}, Usage: "Find files modified in last N days"},
+			&cli.Float64Flag{Name: "lrg", Aliases: []string{"l"}, Usage: "Find files larger than N GB"},
+			&cli.BoolFlag{Name: "ext", Aliases: []string{"x"}, Usage: "Show file extension summary"},
+			&cli.IntFlag{Name: "top", Aliases: []string{"t"}, Usage: "Show top N largest files"},
+			&cli.BoolFlag{Name: "dup", Aliases: []string{"d"}, Usage: "Find duplicate files by name"},
+			&cli.BoolFlag{Name: "log", Aliases: []string{"L"}, Usage: "Find all log files (.log)"},
+			&cli.StringFlag{Name: "p", Aliases: []string{"P"}, Value: ".", Usage: "Directory path to scan"},
+		},
+		Action: runDetect,
+	}
+}
+
+func runDetect(ctx context.Context, c *cli.Command) error {
+
+	path := c.String("p")
+
+	// PATH VALIDATION
+	if _, err := os.Stat(path); os.IsNotExist(err) {
+		colorYellow.Println("  ⚠  Invalid path:", path)
+		return nil
+	}
+
+	// no flag check
+	if !c.Bool("emt") && !c.Bool("ext") && !c.Bool("dup") && !c.Bool("log") &&
+		c.Int("rec") == 0 && c.Float64("lrg") == 0 && c.Int("top") == 0 {
+		fmt.Println()
+		colorYellow.Println("  ⚠  No flag provided. Use --help to see all available flags.")
+		return nil
+	}
+
+	// EMPTY FILES
+	if c.Bool("emt") {
+		printSection("🔍", "Empty Files")
+		table := newTable([]string{"#", "FILE"})
+		count := 0
+
+		filepath.WalkDir(path, func(p string, d os.DirEntry, err error) error {
+			if err != nil || d.IsDir() {
+				return nil
+			}
+			info, err := d.Info()
+			if err != nil {
+				return nil
+			}
+			if info.Size() == 0 {
+				count++
+				table.Append([]string{fmt.Sprintf("%d", count), p})
+			}
+			return nil
+		})
+
+		if count == 0 {
+			noResult("No empty files found.")
+		} else {
+			table.Render()
+		}
+		printDivider()
+	}
+
+	// RECENT FILES
+	if c.Int("rec") > 0 {
+		days := c.Int("rec")
+		cutoff := time.Now().AddDate(0, 0, -days)
+
+		printSection("🕐", fmt.Sprintf("Recently Modified — Last %d Day(s)", days))
+		table := newTable([]string{"#", "FILE", "MODIFIED"})
+		count := 0
+
+		filepath.WalkDir(path, func(p string, d os.DirEntry, err error) error {
+			if err != nil || d.IsDir() {
+				return nil
+			}
+			info, err := d.Info()
+			if err != nil {
+				return nil
+			}
+			if info.ModTime().After(cutoff) {
+				count++
+				table.Append([]string{
+					fmt.Sprintf("%d", count),
+					p,
+					info.ModTime().Format("2006-01-02 15:04:05"),
+				})
+			}
+			return nil
+		})
+
+		if count == 0 {
+			noResult(fmt.Sprintf("No files modified in last %d day(s).", days))
+		} else {
+			table.Render()
+		}
+		printDivider()
+	}
+
+	// LARGE FILES
+	if c.Float64("lrg") > 0 {
+		sizeGB := c.Float64("lrg")
+		minBytes := int64(sizeGB * 1024 * 1024 * 1024)
+
+		printSection("💾", "Large Files")
+		table := newTable([]string{"#", "FILE", "SIZE"})
+		count := 0
+
+		filepath.WalkDir(path, func(p string, d os.DirEntry, err error) error {
+			if err != nil || d.IsDir() {
+				return nil
+			}
+			info, err := d.Info()
+			if err != nil {
+				return nil
+			}
+			if info.Size() > minBytes {
+				count++
+				table.Append([]string{
+					fmt.Sprintf("%d", count),
+					p,
+					fmt.Sprintf("%.2f GB", float64(info.Size())/(1024*1024*1024)),
+				})
+			}
+			return nil
+		})
+
+		if count == 0 {
+			noResult("No large files found.")
+		} else {
+			table.Render()
+		}
+		printDivider()
+	}
+
+	// TOP FILES
+	if c.Int("top") > 0 {
+		n := c.Int("top")
+
+		type file struct {
+			path string
+			size int64
+		}
+		var files []file
+
+		filepath.WalkDir(path, func(p string, d os.DirEntry, err error) error {
+			if err != nil || d.IsDir() {
+				return nil
+			}
+			info, err := d.Info()
+			if err != nil {
+				return nil
+			}
+			files = append(files, file{p, info.Size()})
+			return nil
+		})
+
+		sort.Slice(files, func(i, j int) bool {
+			return files[i].size > files[j].size
+		})
+
+		if n > len(files) {
+			n = len(files)
+		}
+
+		printSection("🏆", fmt.Sprintf("Top %d Files", n))
+		table := newTable([]string{"RANK", "FILE", "SIZE"})
+		for i := 0; i < n; i++ {
+			table.Append([]string{
+				fmt.Sprintf("#%d", i+1),
+				files[i].path,
+				fmt.Sprintf("%.2f MB", float64(files[i].size)/(1024*1024)),
+			})
+		}
+
+		if n == 0 {
+			noResult("No files found.")
+		} else {
+			table.Render()
+		}
+		printDivider()
+	}
+
+	// EXTENSIONS
+	if c.Bool("ext") {
+		printSection("📋", "Extensions")
+		extMap := make(map[string]int)
+
+		filepath.WalkDir(path, func(p string, d os.DirEntry, err error) error {
+			if err != nil || d.IsDir() {
+				return nil
+			}
+			ext := strings.ToLower(filepath.Ext(p))
+			if ext == "" {
+				ext = "(none)"
+			}
+			extMap[ext]++
+			return nil
+		})
+
+		table := newTable([]string{"EXT", "COUNT"})
+		for k, v := range extMap {
+			table.Append([]string{k, fmt.Sprintf("%d", v)})
+		}
+
+		if len(extMap) == 0 {
+			noResult("No files found.")
+		} else {
+			table.Render()
+		}
+		printDivider()
+	}
+
+	// DUPLICATES
+	if c.Bool("dup") {
+		printSection("♊", "Duplicates")
+		nameMap := make(map[string][]string)
+
+		filepath.WalkDir(path, func(p string, d os.DirEntry, err error) error {
+			if err != nil || d.IsDir() {
+				return nil
+			}
+			nameMap[d.Name()] = append(nameMap[d.Name()], p)
+			return nil
+		})
+
+		table := newTable([]string{"FILE", "PATHS"})
+		count := 0
+		for name, paths := range nameMap {
+			if len(paths) > 1 {
+				count++
+				table.Append([]string{name, strings.Join(paths, " | ")})
+			}
+		}
+
+		if count == 0 {
+			noResult("No duplicates found.")
+		} else {
+			table.Render()
+		}
+		printDivider()
+	}
+
+	// LOG FILES
+	if c.Bool("log") {
+		printSection("📄", "Log Files")
+		table := newTable([]string{"FILE"})
+		count := 0
+
+		filepath.WalkDir(path, func(p string, d os.DirEntry, err error) error {
+			if err != nil || d.IsDir() {
+				return nil
+			}
+			if strings.HasSuffix(strings.ToLower(d.Name()), ".log") {
+				count++
+				table.Append([]string{p})
+			}
+			return nil
+		})
+
+		if count == 0 {
+			noResult("No log files found.")
+		} else {
+			table.Render()
+		}
+		printDivider()
+	}
+
+	return nil
+}

go.mod

@@ -2,4 +2,17 @@ module funk
 
 go 1.25.7
 
-require github.com/urfave/cli/v3 v3.7.0 // indirect
+require (
+	github.com/fatih/color v1.18.0
+	github.com/olekukonko/tablewriter v0.0.5
+	github.com/urfave/cli/v3 v3.7.0
+	golang.org/x/term v0.41.0
+)
+
+require (
+	github.com/clipperhouse/uax29/v2 v2.6.0 // indirect
+	github.com/mattn/go-colorable v0.1.14 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/mattn/go-runewidth v0.0.19 // indirect
+	golang.org/x/sys v0.42.0 // indirect
+)

go.sum

@@ -1,2 +1,28 @@
+github.com/clipperhouse/uax29/v2 v2.6.0 h1:z0cDbUV+aPASdFb2/ndFnS9ts/WNXgTNNGFoKXuhpos=
+github.com/clipperhouse/uax29/v2 v2.6.0/go.mod h1:Wn1g7MK6OoeDT0vL+Q0SQLDz/KpfsVRgg6W7ihQeh4g=
+github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fatih/color v1.18.0 h1:S8gINlzdQ840/4pfAwic/ZE0djQEH3wM94VfqLTZcOM=
+github.com/fatih/color v1.18.0/go.mod h1:4FelSpRwEGDpQ12mAdzqdOukCy4u8WUtOY6lkT/6HfU=
+github.com/mattn/go-colorable v0.1.14 h1:9A9LHSqF/7dyVVX6g0U9cwm9pG3kP9gSzcuIPHPsaIE=
+github.com/mattn/go-colorable v0.1.14/go.mod h1:6LmQG8QLFO4G5z1gPvYEzlUgJ2wF+stgPZH1UqBm1s8=
+github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
+github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
+github.com/mattn/go-runewidth v0.0.9/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
+github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byFGLdw=
+github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
+github.com/olekukonko/tablewriter v0.0.5 h1:P2Ga83D34wi1o9J6Wh1mRuqd4mF/x/lgBS7N7AbDhec=
+github.com/olekukonko/tablewriter v0.0.5/go.mod h1:hPp6KlRPjbx+hW8ykQs1w3UBbZlj6HuIJcUGPhkA7kY=
+github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
+github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
+github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
 github.com/urfave/cli/v3 v3.7.0 h1:AGSnbUyjtLiM+WJUb4dzXKldl/gL+F8OwmRDtVr6g2U=
 github.com/urfave/cli/v3 v3.7.0/go.mod h1:ysVLtOEmg2tOy6PknnYVhDoouyC/6N42TMeoMzskhso=
+golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.42.0 h1:omrd2nAlyT5ESRdCLYdm3+fMfNFE/+Rf4bDIQImRJeo=
+golang.org/x/sys v0.42.0/go.mod h1:4GL1E5IUh+htKOUEOaiffhrAeqysfVGipDYzABqnCmw=
+golang.org/x/term v0.41.0 h1:QCgPso/Q3RTJx2Th4bDLqML4W6iJiaXFq2/ftQF13YU=
+golang.org/x/term v0.41.0/go.mod h1:3pfBgksrReYfZ5lvYM0kSO0LIkAl4Yl2bXOkKP7Ec2A=
+gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=