kolmafia source code for file_to_map()

	public static Value file_to_map( Interpreter interpreter, final Value var1, final Value var2 )
	{
		return file_to_map( interpreter, var1, var2, DataTypes.TRUE_VALUE );
	}

	public static Value file_to_map( Interpreter interpreter, final Value var1, final Value var2, final Value var3 )
	{
		String filename = var1.toString();
		CompositeValue result = (CompositeValue) var2;
		boolean compact = var3.intValue() == 1;

		BufferedReader reader = DataFileCache.getReader( filename );
		if ( reader == null )
		{
			return DataTypes.FALSE_VALUE;
		}

		String[] data = null;
		result.clear();

		try
		{
			int line = 0;
			while ( ( data = FileUtilities.readData( reader ) ) != null )
			{
				line++;
				if ( data.length > 1 )
				{
					result.read( data, 0, compact, filename, line );
				}
			}
		}
		catch ( Exception e )
		{
			StringBuilder buffer = new StringBuilder( "Invalid line in data file" );
			if ( data != null )
			{
				buffer.append( ": \"" );
				for ( int i = 0; i < data.length; ++i )
				{
					if ( i > 0 )
					{
						buffer.append( '\t' );
					}
					buffer.append( data[ i ] );
				}
				buffer.append( "\"" );
			}

			// Print the bad data that caused the error
			Exception ex = interpreter.runtimeException( buffer.toString() );

			// If it's a ScriptException, we generated it ourself
			if ( e instanceof ScriptException )
			{
				// Print the bad data and the resulting error
				RequestLogger.printLine( ex.getMessage() );
				RequestLogger.printLine( e.getMessage() );
			}
			else
			{
				// Otherwise, print a stack trace
				StaticEntity.printStackTrace( e, ex.getMessage() );
			}
			return DataTypes.FALSE_VALUE;
		}
		finally
		{
			try
			{
				reader.close();
			}
			catch ( Exception e )
			{
			}
		}

		return DataTypes.TRUE_VALUE;
	}