%----------------------------------------
% CHAPTERS
%----------------------------------------

\newcommand{\includechapters}[2]{%
	\foreach \i in {0, ..., #2} {%
			\edef\FileName{content/chapters/#1/\i}%
			\IfFileExists{\FileName}{%
				\include{\FileName}%
			}
		}
}

\includechapters{part1}{4}
\includechapters{part2}{4}

% \includechapters{part3}{1}