# File lib/numru/nusdas.rb, line 131 def str_from_time(time) raise("arugment must be String") unless Integer === time date = @@date0 + time/(60*24) year = date.year mon = date.mon day = date.day i = time%(24*60) hour = i/60 min = i%60 return "%4d%02d%02d%02d%02d"%[year,mon,day,hour,min] end