;date = ['2014-03-19', '2014-03-20', '2014-03-21', '2014-03-26', '2014-03-30', '2014-04-15', '2014-04-21'] ;date = '2014-05-26' ;date = '2014-07-16' ;date = '2014-09-23' set_plot, 'z' date = '2014-12-08' For j = 0, n_elements(date)-1 Do Begin filex = mvn_l0_db2file(date[j]) mvn_over_shell, l0_input_file = filex, /multipngplot, $ plot_dir = '~/public_html/maven/test_overplot/', $ device = 'z' Endfor End