File list (Check if you may need any files):
campus
......\.DS_Store
__MACOSX
........\campus
........\......\._.DS_Store
campus\20150319153933dsp_hw_#1.pdf
__MACOSX\campus\._20150319153933dsp_hw_#1.pdf
campus\20150410085026dsp_hw_#2.pdf
__MACOSX\campus\._20150410085026dsp_hw_#2.pdf
campus\20150416114317dsp_hw_#3.pdf
__MACOSX\campus\._20150416114317dsp_hw_#3.pdf
campus\20150421120423hjw_2_sol.pdf
__MACOSX\campus\._20150421120423hjw_2_sol.pdf
campus\20150515110140dsp_hw_#4.pdf
__MACOSX\campus\._20150515110140dsp_hw_#4.pdf