diff --git a/src/isotoserial.d b/src/isotoserial.d
new file mode 100644
index 0000000..8f28fe8
--- /dev/null
+++ b/src/isotoserial.d
@@ -0,0 +1,76 @@
+module isotoserial;
+
+import std.string : toStringz, fromStringz;
+import std.stdio;
+import std.exception;
+import std.conv : to;
+
+private enum LibarchiveRet : int {
+	ARCHIVE_EOF = 1, /* Found end of archive. */
+	ARCHIVE_OK = 0, /* Operation was successful. */
+	ARCHIVE_RETRY = (-10), /* Retry might succeed. */
+	ARCHIVE_WARN = (-20), /* Partial success. */
+	/* For example, if write_header "fails", then you can't push data. */
+	ARCHIVE_FAILED = (-25), /* Current operation cannot complete. */
+	/* But if write_header is "fatal," then this archive is dead and useless. */
+	ARCHIVE_FATAL = (-30), /* No more operations are possible. */
+}
+
+public class LibarchiveException : Exception {
+	this(LibarchiveRet code, string file = __FILE__, size_t line = __LINE__) {
+		super("libarchive error " ~ to!string(cast(int)code) ~ ": " ~ to!string(code), file, line);
+	}
+}
+
+extern(C) {
+	struct archive;
+	struct archive_entry;
+
+	archive* archive_read_new();
+	int archive_read_open_filename(archive*, const(char)* filename, size_t block_size);
+	int archive_read_next_header(archive*, archive_entry**);
+	int archive_read_data_skip(archive*);
+	int archive_read_free(archive*);
+	int archive_read_support_format_iso9660(archive*);
+	int archive_read_support_format_empty(archive*);
+	int archive_read_support_format_mtree(archive*);
+	int archive_read_support_format_raw(archive*);
+	int archive_read_support_format_tar(archive*);
+	int archive_read_support_format_all(archive*);
+	int archive_read_support_compression_none(archive*);
+	int archive_read_support_compression_all(archive*);
+	int archive_read_close(archive*);
+
+	const(char)* archive_entry_pathname(archive_entry*);
+}
+
+public string iso_to_serial (string path) {
+	archive* arc = archive_read_new();
+	scope(exit) archive_read_free(arc);
+
+	// open umd_data.bin
+	// examples:
+	// NPEG-00003|8F33052F02B34E56|0001|G
+	// NPJH-50465|0D506D389F2AA444|0001|G
+	// ULJM-05530|5A2E0CF722EF6299|0001|G
+	archive_read_support_format_iso9660(arc);
+	archive_read_support_format_empty(arc);
+	archive_read_support_format_raw(arc);
+	//archive_read_support_format_tar(arc);
+	archive_read_support_compression_none(arc);
+
+	const LibarchiveRet r = cast(LibarchiveRet)archive_read_open_filename(arc, path.toStringz, 10240);
+	if (r != LibarchiveRet.ARCHIVE_OK)
+		throw new LibarchiveException(r);
+	archive_entry* entry;
+	writefln("reading content of %s...", path);
+	while (archive_read_next_header(arc, &entry) == LibarchiveRet.ARCHIVE_OK) {
+		writefln("path: \"%s\"", archive_entry_pathname(entry).fromStringz);
+		archive_read_data_skip(arc);
+	}
+
+	return "UCES-00356"; //Tekken Dark Resurrection
+	//return "NPJH-50465"; //Hatsune Miku (missing from redump list)
+	//return "ULJM-05530"; //Undead Knights (missing from redump list)
+	//return "NPEG-00003"; //fl0w (missing from redump list)
+}
diff --git a/src/main.d b/src/main.d
index aee05aa..fc8644f 100644
--- a/src/main.d
+++ b/src/main.d
@@ -2,11 +2,13 @@ import std.stdio;
 import std.getopt;
 import std.typecons;
 import gamesdb;
+import isotoserial;
 
 int main() {
 	writeln("hello world");
 	Unique!GamesDB db = new GamesDB;
 
-	writefln("Title for game UCES-00356 is %s", db.find_by_serial("UCES-00356"));
+	string serial = iso_to_serial("/home/michele/deleme/b-mikuex.iso");
+	writefln("Title for game %s is %s", serial, db.find_by_serial(serial));
 	return 0;
 }
diff --git a/src/meson.build b/src/meson.build
index 3233c62..92db1d7 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -25,6 +25,7 @@ executable(meson.project_name(),
 	'main.d',
 	sqlitedb_cfile_target,
 	'gamesdb.d',
+	'isotoserial.d',
 	install: true,
 	dependencies: [libarchive_dep, sqlite_dep]
 )