Added script for counting lines of code

Author: omichel

scripts/count_lines/count_lines.py

@@ -0,0 +1,33 @@
+import glob
+import os
+
+def count_lines(filename):
+    f = open(filename, 'rb')
+    lines = 0
+    buf_size = 1024 * 1024
+    read_f = f.raw.read
+    buf = read_f(buf_size)
+    while buf:
+        lines += buf.count(b'\n')
+        buf = read_f(buf_size)
+    return lines
+
+def count_files(extensions, name):
+    line_counter = 0
+    file_counter = 0
+    if isinstance(extensions, str):
+        extensions = [extensions]
+    for extension in extensions:
+        files = glob.glob(os.path.join('..', '..', '**', '*.' + extension), recursive=True)
+        file_counter += len(files)
+        for f in files:
+            line_counter += count_lines(f)
+    print((name + ':').ljust(12) + str(line_counter).ljust(6) + ' lines of codes in ' + str(file_counter).ljust(4) + ' files')
+
+count_files(['cpp', 'hpp'], 'C++')
+count_files(['c', 'h'], 'C')
+count_files(['py'], 'Python')
+count_files('js', 'JavaScript')
+count_files('java', 'Java')
+count_files('m', 'MATLAB')
+count_files('vert', 'GLSL')