1 files changed, 43 insertions, 0 deletions
diff --git a/steam/acf.go b/steam/acf.go
new file mode 100644
index 0000000..7c034e1
--- /dev/null
+++ b/steam/acf.go
@@ -0,0 +1,43 @@
+package steam
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// FindACF will return the filename of the ACF file for a given `game`
+func FindACF(libraryPath, game string) (string, error) {
+	files, err := filepath.Glob(filepath.Join(libraryPath, "*.acf"))
+	if err != nil {
+		return "", err
+	}
+	for _, fn := range files {
+		info, err := os.Lstat(fn)
+		if err != nil {
+			return "", err
+		}
+		// We don't want it if it's a directory
+		if info.IsDir() {
+			continue
+		}
+
+		// Open up the file
+		f, err := os.Open(fn)
+		if err != nil {
+			return "", err
+		}
+		defer f.Close()
+
+		scanner := bufio.NewScanner(f)
+		for scanner.Scan() {
+			if strings.Contains(scanner.Text(), game) {
+				return fn, nil
+			}
+		}
+
+	}
+	return "", fmt.Errorf("Couldn't find ACF file related to Game: %s", game)
+}