file processing with coretechs.common

accumulator.cs

	string text = @"

FRONT MATTER
FRONT MATTER #2
NAME: Billy B Goode
BIRTHDATE: 5/10/1984
GENDER: Male

MIDDLE MATTER
MIDDLE MATTER #2

NAME: Martha Peppers
BIRTHDATE: 3/16/1984
GENDER: Female
NAME: Smarty McSmarty
BIRTHDATE: 10/27/2005
GENDER: Male
REAR MATTER";
	
	// regex that matches the key
	// and captures the value
	var rgx = new Regex(@"^[A-Z]+\: (.)");

	// get a sequence that has only lines I know will be used
	var interestingLines = 
		from l in text.ReadLines()
		where rgx.IsMatch(l)
		select l;
	
	// accumulate chunks of lines to process
	interestingLines
		.AccumulateUntil(x => x.StartsWith("NAME: "))
		.Select (x => new
		{
			Name = rgx.Replace(x[0], "$1"),
			BirthDate = rgx.Replace(x[1], "$1").Parse(DateTime.Parse),
			Gender = rgx.Replace(x[2], "$1"),
		}).Dump();