diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1dd0e0a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/testing
diff --git a/app.go b/app.go
new file mode 100644
index 0000000..b31920c
--- /dev/null
+++ b/app.go
@@ -0,0 +1,95 @@
+package main
+
+import (
+	"bytes"
+	"log"
+	"os"
+	"path/filepath"
+	"slices"
+	"strings"
+
+	"github.com/probonopd/go-appimage/src/goappimage"
+)
+
+type ExeType byte
+
+const (
+	Script = ExeType(iota + 1)
+	AppImage
+	ELF
+	Win
+)
+
+type Exe struct {
+	Filename string
+	Type     ExeType
+}
+
+type App struct {
+	Name  string
+	Execs []Exe
+	// Image []byte TODO
+}
+
+func ProcessDir(dir string) (*App, error) {
+	fils, err := os.ReadDir(dir)
+	if err != nil {
+		log.Printf("Unable to list files in %v: %v\n", dir, err)
+		return nil, err
+	}
+	app := App{
+		Name: filepath.Base(dir),
+	}
+	for _, f := range fils {
+		if f.IsDir() {
+			continue
+		}
+		var t ExeType
+		if strings.HasSuffix(strings.ToLower(f.Name()), ".exe") {
+			t = Win
+		} else {
+			fil, err := os.Open(filepath.Join(dir, f.Name()))
+			if err != nil {
+				log.Printf("Error opening %v: %v\n", filepath.Join(dir, f.Name()), err)
+				continue
+			}
+			startByts := make([]byte, 4)
+			_, err = fil.Read(startByts)
+			if err != nil {
+				log.Printf("Error reading starting bytes of %v: %v\n", filepath.Join(dir, f.Name()), err)
+				continue
+			}
+			if bytes.HasPrefix(startByts, []byte("#!")) {
+				t = Script
+			} else if bytes.Contains(bytes.ToLower(startByts), []byte("elf")) {
+				if strings.HasSuffix(strings.ToLower(f.Name()), ".so") || strings.Contains(strings.ToLower(f.Name()), ".so.") {
+					continue
+				}
+				if goappimage.IsAppImage(filepath.Join(dir, f.Name())) {
+					t = AppImage
+				} else {
+					t = ELF
+				}
+			}
+		}
+		if t != 0 {
+			app.Execs = append(app.Execs, Exe{
+				Filename: f.Name(),
+				Type:     t,
+			})
+		}
+	}
+	if len(app.Execs) == 0 {
+		return nil, nil
+	}
+	slices.SortFunc(app.Execs, func(a, b Exe) int {
+		if a.Type > b.Type {
+			return 1
+		} else if a.Type < b.Type {
+			return -1
+		}
+		return strings.Compare(a.Filename, b.Filename)
+	})
+	//TODO: get "proper" name & icon, either from AppImage or PortableApps spec
+	return &app, nil
+}
diff --git a/go.mod b/go.mod
index 07a081e..7e399d3 100644
--- a/go.mod
+++ b/go.mod
@@ -1,3 +1,35 @@
 module github.com/CalebQ42/LinuxPA
 
 go 1.23.1
+
+require (
+	github.com/CalebQ42/squashfs v1.0.2 // indirect
+	github.com/adrg/xdg v0.5.0 // indirect
+	github.com/alokmenghrajani/gpgeez v0.0.0-20161206084504-1a06f1c582f9 // indirect
+	github.com/eclipse/paho.mqtt.golang v1.5.0 // indirect
+	github.com/emirpasic/gods v1.12.0 // indirect
+	github.com/google/go-github v17.0.0+incompatible // indirect
+	github.com/google/go-querystring v0.0.0-20170111101155-53e6ce116135 // indirect
+	github.com/gorilla/websocket v1.5.3 // indirect
+	github.com/hashicorp/go-version v1.7.0 // indirect
+	github.com/jbenet/go-context v0.0.0-20150711004518-d14ea06fba99 // indirect
+	github.com/kevinburke/ssh_config v0.0.0-20190725054713-01f96b0aa0cd // indirect
+	github.com/klauspost/compress v1.17.9 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.21 // indirect
+	github.com/probonopd/go-appimage v0.0.0-20240922191415-5cf876da9cdc // indirect
+	github.com/rasky/go-lzo v0.0.0-20200203143853-96a758eda86e // indirect
+	github.com/sergi/go-diff v1.0.0 // indirect
+	github.com/src-d/gcfg v1.4.0 // indirect
+	github.com/therootcompany/xz v1.0.1 // indirect
+	github.com/ulikunitz/xz v0.5.12 // indirect
+	github.com/xanzy/ssh-agent v0.2.1 // indirect
+	golang.org/x/crypto v0.27.0 // indirect
+	golang.org/x/net v0.27.0 // indirect
+	golang.org/x/sync v0.8.0 // indirect
+	golang.org/x/sys v0.25.0 // indirect
+	gopkg.in/ini.v1 v1.67.0 // indirect
+	gopkg.in/src-d/go-billy.v4 v4.3.2 // indirect
+	gopkg.in/src-d/go-git.v4 v4.13.1 // indirect
+	gopkg.in/warnings.v0 v0.1.2 // indirect
+)
diff --git a/go.sum b/go.sum
index e69de29..a1efba6 100644
--- a/go.sum
+++ b/go.sum
@@ -0,0 +1,95 @@
+github.com/CalebQ42/squashfs v1.0.2 h1:r1OMSTpacV4GXOWaLwnydEpcrv+yhUSIzrvSGYO74Xg=
+github.com/CalebQ42/squashfs v1.0.2/go.mod h1:uhKIQfq2+dgJ+utqCkvVk0t7XuqaNhcotCrqSI0wUuI=
+github.com/adrg/xdg v0.5.0 h1:dDaZvhMXatArP1NPHhnfaQUqWBLBsmx1h1HXQdMoFCY=
+github.com/adrg/xdg v0.5.0/go.mod h1:dDdY4M4DF9Rjy4kHPeNL+ilVF+p2lK8IdM9/rTSGcI4=
+github.com/alcortesm/tgz v0.0.0-20161220082320-9c5fe88206d7/go.mod h1:6zEj6s6u/ghQa61ZWa/C2Aw3RkjiTBOix7dkqa1VLIs=
+github.com/alokmenghrajani/gpgeez v0.0.0-20161206084504-1a06f1c582f9 h1:Zio/mdDEpJDG1yeH9y2Kcb9ATWXkE7WIBkO+IMqRbbM=
+github.com/alokmenghrajani/gpgeez v0.0.0-20161206084504-1a06f1c582f9/go.mod h1:u65XFfs2+s//7QVkp5Q1NEZl4zVep2BtubxiSXJERN8=
+github.com/anmitsu/go-shlex v0.0.0-20161002113705-648efa622239/go.mod h1:2FmKhYUyUczH0OGQWaF5ceTx0UBShxjsH6f8oGKYe2c=
+github.com/armon/go-socks5 v0.0.0-20160902184237-e75332964ef5/go.mod h1:wHh0iHkYZB8zMSxRWpUBQtwG5a7fFgvEO+odwuTv2gs=
+github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
+github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/eclipse/paho.mqtt.golang v1.5.0 h1:EH+bUVJNgttidWFkLLVKaQPGmkTUfQQqjOsyvMGvD6o=
+github.com/eclipse/paho.mqtt.golang v1.5.0/go.mod h1:du/2qNQVqJf/Sqs4MEL77kR8QTqANF7XU7Fk0aOTAgk=
+github.com/emirpasic/gods v1.12.0 h1:QAUIPSaCu4G+POclxeqb3F+WPpdKqFGlw36+yOzGlrg=
+github.com/emirpasic/gods v1.12.0/go.mod h1:YfzfFFoVP/catgzJb4IKIqXjX78Ha8FMSDh3ymbK86o=
+github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568/go.mod h1:xEzjJPgXI435gkrCt3MPfRiAkVrwSbHsst4LCFVfpJc=
+github.com/gliderlabs/ssh v0.2.2/go.mod h1:U7qILu1NlMHj9FlMhZLlkCdDnU1DBEAqr0aevW3Awn0=
+github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-github v17.0.0+incompatible h1:N0LgJ1j65A7kfXrZnUDaYCs/Sf4rEjNlfyDHW9dolSY=
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+gopkg.in/src-d/go-git.v4 v4.13.1/go.mod h1:nx5NYcxdKxq5fpltdHnPa2Exj4Sx0EclMWZQbYDu2z8=
+gopkg.in/warnings.v0 v0.1.2 h1:wFXVbFY8DY5/xOe1ECiWdKCzZlxgshcYVNkBHstARME=
+gopkg.in/warnings.v0 v0.1.2/go.mod h1:jksf8JmL6Qr/oQM2OXTHunEvvTAsrWBLb6OOjuVWRNI=
diff --git a/main_test.go b/main_test.go
new file mode 100644
index 0000000..f5edd2b
--- /dev/null
+++ b/main_test.go
@@ -0,0 +1,66 @@
+package main
+
+import (
+	"errors"
+	"io"
+	"net/http"
+	"os"
+	"os/exec"
+	"testing"
+)
+
+const (
+	testImage = "https://darkstorm.tech/files/LinuxPATest.sfs"
+)
+
+func setupTestEnv() error {
+	_, err := exec.LookPath("unsquashfs")
+	if err != nil {
+		return errors.New("unsquashfs not installed")
+	}
+	fold, err := os.Stat("testing")
+	if os.IsNotExist(err) {
+		err = os.Mkdir("testing", 0777)
+		if err != nil {
+			return err
+		}
+		fold, err = os.Stat("testing")
+		if err != nil {
+			return err
+		}
+	} else if err != nil {
+		return err
+	}
+	os.RemoveAll("testing/PortableApps")
+	os.RemoveAll("testing/Documents")
+	os.RemoveAll("testing/Start.exe")
+	if !fold.IsDir() {
+		return errors.New("./testing is not a directory!!!")
+	}
+	img, err := os.Open("testing/LinuxPATest.sfs")
+	if os.IsNotExist(err) {
+		img, err = os.Create("testing/LinuxPATest.sfs")
+		if err != nil {
+			return errors.New("Cannot create testing/LinuxPATest.sfs")
+		}
+		resp, err := http.DefaultClient.Get(testImage)
+		if err != nil {
+			return err
+		}
+		_, err = io.Copy(img, resp.Body)
+		resp.Body.Close()
+		if err != nil {
+			return err
+		}
+	}
+	err = exec.Command("unsquashfs", "-d", "./testing", "./testing/LinuxPATest.sfs").Run()
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func TestStuff(t *testing.T) {
+	setupTestEnv()
+	main()
+}