Adds lsinteresting

Author: tomnomnom

lsinteresting/.gitignore

@@ -0,0 +1 @@
+lsinteresting

lsinteresting/main.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"math"
+	"path"
+	"strconv"
+)
+
+func main() {
+
+	flag.Parse()
+
+	dir := flag.Arg(0)
+	if dir == "" {
+		log.Fatal("No dir specified")
+	}
+
+	threshold := 1.0
+	if t, err := strconv.ParseFloat(flag.Arg(1), 64); err == nil {
+		threshold = t
+	}
+
+	contents, err := ioutil.ReadDir(dir)
+	if err != nil {
+		log.Fatalf("failed to read dir: %s", err)
+	}
+
+	sizes := make([]int64, 0)
+
+	for _, f := range contents {
+		// don't bother with directories
+		if f.IsDir() {
+			continue
+		}
+
+		// see how different the file is to the sizes we've seen so far
+		// start of assuming the file is different, but if it's within, say,
+		// 1% of a filesize we've already seen then skip it
+		isDifferent := true
+		for _, s := range sizes {
+			diff := math.Abs((float64(s-f.Size()) / float64(s)) * 100)
+			if diff < threshold {
+				isDifferent = false
+			}
+		}
+		if isDifferent {
+			sizes = append(sizes, f.Size())
+			fmt.Println(path.Join(dir, f.Name()))
+		}
+	}
+}