diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9c80797..4d1076f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -19,6 +19,7 @@ set (PROGRAM_EXE ${CMAKE_PROJECT_NAME})
 
 set (PROGRAM_SOURCE
 	src/console.cpp
+	src/core/file.cpp
 	src/core/dictionary.cpp
 	src/string.cpp
 	src/base58.cpp
diff --git a/src/core/file.cpp b/src/core/file.cpp
new file mode 100644
index 0000000..72c01b8
--- /dev/null
+++ b/src/core/file.cpp
@@ -0,0 +1,26 @@
+
+#include <cstdio>
+#include "file.h"
+
+namespace eoskeygen {
+
+bool readLines(const std::string& filename, strlist_t& lines) {
+
+	FILE *fd;
+	char buf[1024];
+
+	fd = fopen(filename.c_str(), "r");
+	if (!fd) {
+		return false;
+	}
+
+	while(fgets(buf, sizeof(buf), fd) != NULL) {
+		std::string line(buf);
+		lines.push_back(trim(line));
+	}
+
+	fclose(fd);
+	return true;
+}
+
+} // namespace eoskeygen
diff --git a/src/core/file.h b/src/core/file.h
new file mode 100644
index 0000000..19ce2ae
--- /dev/null
+++ b/src/core/file.h
@@ -0,0 +1,36 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) 2019-2020 EOS Sw/eden
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+#ifndef EOSIOKEYGEN_CORE_FILE_H
+#define EOSIOKEYGEN_CORE_FILE_H
+
+#include "../string.h"
+#include <vector>
+
+namespace eoskeygen {
+
+bool readLines(const std::string& filename, strlist_t& lines);
+
+} // namespace
+
+#endif /* EOSIOKEYGEN_CORE_FILE_H */