wip: naive datasheet file gathering

gshmm.go

@@ -4,6 +4,7 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"path/filepath"
 	"strings"
 
 	"github.com/charmbracelet/bubbles/textinput"
@@ -44,8 +45,20 @@ func initialModel() model {
 	input := textinput.New()
 	input.Focus()
 
-	// TODO(d1): gather actual datasheets
+	var ds []string
-	ds := []string{"foo", "bar", "baz", "bing"}
+	// TODO(d1): handle error in interface?
+	_ = filepath.Walk(".", func(path string, info os.FileInfo, err error) error {
+		if err != nil {
+			return err
+		}
+
+		name := info.Name()
+		if strings.HasSuffix(name, "pdf") {
+			ds = append(ds, name)
+		}
+
+		return nil
+	})
 
 	return model{
 		filterInput:    input,