var chomp = require("line-chomper").chomp;

chomp("/path/to/file.txt", function (err, lines) {
	lines.forEach(function (line) {
		console.log(line);
	});
});

chomp(
    "/path/to/large-file.txt",
    function (line, offset, sizeInBytes) {
        console.log("At " + offset + ": " + line + " (size: " + sizeInBytes + " b)");
    },
    function (err, count) {
		console.log("Processed " + count + " lines");
	});
});

var req = http.request({ host: url }, function (resStream) {
	chomp(resStream, function (err, lines) {
		/* process lines */
	});
});

req.on("error", function (e) {
	console.log("problem with request: " + e.message);
});

req.end();

var counter = 0;
chomp(
    "/path/to/file.txt",
    {
		returnLines: true,
		lineCallback: function (line) {
			if (counter === 10) {
                return false; // stop streaming
            }
            counter++;
            if (!line) {
                return null; // filter out
            }
            return line.toUpperCase(); // map to uppercase
		}
	},
    function (err, lines) {
		console.log(lines); // First 10 non-empty lines, converted to uppercase
	});
});

chomp(
	fs.createReadStream("path/to/file"),
	{
		fromLine: 100,
		toLine: 199
	},
	function (err, lines) {
	}
);

require("line-chomper").mapLineOffsets(fileName, function (err, lineOffsets) {
    redis.save("offsets." + fileName, lineOffsets);
});

// later...

function getExcerpt(fileName, start, count, callback) {
    redis.get("offsets." + fileName, function (err, lineOffsets) {
        chomp(
            fileName,
            {
                lineOffsets: lineOffsets,
			    fromLine: start,
			    lineCount: count
            },
            callback
        );
    });
}