# File lib/numru/nusdas.rb, line 143 def time_from_str(str) raise("arugment must be String") unless String === str raise("str length must be 12") unless str.length == 12 year = str[0,4].to_i mon = str[4,2].to_i day = str[6,2].to_i hour = str[8,2].to_i min = str[10,2].to_i return ( (Date.new(year,mon,day)-@@date0).to_i*24 + hour )*60 + min end