Find 2048 spawnflag in .map file

findspawnflags.d

import std.regex;
import std.stdio;
import std.file;
import std.conv;

void main(string[] args)
{
	auto paramRegex = regex(`"(\w+)"\s+"(\w+)"`);
	
	for (ulong i=1; i<args.length; ++i)
	{
		string fileName = args[i];
		auto f = File(fileName, "r");
		writefln("Map: %s\n", fileName);
		auto byLine = f.byLineCopy;
		while(!byLine.empty)
		{
			auto line = byLine.front;
			bool shouldPop = true;
			auto c = matchFirst(line, paramRegex);
			if (!c.empty && c[1] == "classname")
			{
				auto className = c[2];
				string targetName;
				byLine.popFront();
				while(!byLine.empty)
				{
					auto propLine = byLine.front;
					auto prop = matchFirst(propLine, paramRegex);
					if (!prop.empty)
					{
						auto propName = prop[1];
						if (propName == "classname")
						{
							shouldPop = false;
							break;
						}
						else if (propName == "targetname")
						{
							targetName = prop[2];
						}
						else if (propName == "spawnflags")
						{
							const spawnflags = to!uint(prop[2]);
							if (spawnflags & 2048)
							{
								writefln("%s (%s): %s", className, targetName, spawnflags);
							}
							break;
						}
					}
					
					byLine.popFront();
				}
			}
			if (shouldPop && !byLine.empty)
				byLine.popFront();
		}
		writeln();
	}
}