Looking for a way to extract data from a JavaScript file using .NET.
Consider the following URL:
http://..../xml/en/file_1.js
The content of the .js file is as follows:
getdate(20140802,'','','',10,5);
getdate(20140802,'','','',10,5);
getdate(20140727,'','','',10,5);
getdate(20140727,'','','',10,5);
getdate(20140723,'','','',10,5);
getdate(20140723,'','','',10,5);
For instance, I aim to decode 20140802 into
02 as day and 08 as month and 2014 as a yearStep1: Retrieve all lines from the JS file.
Step2: Extract a substring from each line, starting from ( and including the following 8 characters (since dates are 8 characters long).
Step3: Convert the extracted date string into a Date object using the ParseExact() method with the format yyyyMMdd.
Complete Solution:
String[] JSLines = System.IO.File.ReadAllLines("c:\\myfile.js");
String strDate = "";
for(int i=0; i<JSLines.Length; i++)
{
strDate = JSLines[i].Substring(JSLines[i].LastIndexOf("(") + 1, 8);
DateTime myDate = DateTime.ParseExact(strDate, "yyyyMMdd", System.Globalization.CultureInfo.InvariantCulture);
}
Output: myDate now holds the extracted Date value.
Imagine you are given a date in the format yyyyMMdd, and you need to parse it as follows:
string date = "20131118";
System.Globalization.CultureInfo cultureInfo =
System.Globalization.CultureInfo.InvariantCulture;
DateTime parsedDate = DateTime.ParseExact(date, "yyyyMMdd", cultureInfo);
After parsing, you will have a DateTime object with the following details:
Day : 18
Month : 11
Year: 2013
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