app.d

import std.stdio;
import std.file;
import std.path;
import std.algorithm;

string folder = r"C:\temp2\contracts";

void main()
{
	string [] dublicates_list;

	foreach(DirEntry file; dirEntries(folder, "*.{xml}", SpanMode.depth))
	{
		int count = 0;
		File f = File(file);
		foreach(line; f.byLine)
		{
			if(line.canFind("<supplier>"))
			{
				count++;
			}
			dublicates_list ~= file.name;
		}
	}

	writeln("Done");

	struct MyStruct
	{
		string filename;
		string inn;
		string kpp;
	}

	MyStruct [] myStructs;
	foreach(d; dublicates_list)
	{
		File f = File(d);
		MyStruct ms;
		foreach(line; f.byLine)
		{
			if (line.canFind("INN"))
				ms.inn = line.dup;

			if (line.canFind("KPP"))
				ms.kpp = line.dup;

			ms.filename	= d;

			myStructs ~= ms;
		}
	}

	File file = File("result.txt", "w+");

	foreach(el; myStructs)
	{
		file.write(el.inn, " ", el.kpp, " ", el.filename);
	}
}