111-longest-word

Longest Word

Challenge Description:

In this challenge you need to find the longest word in a sentence. If the sentence has more than one word of the same length you should pick the first one.

Input sample:

Your program should accept as its first argument a path to a filename. Input example is the following

some line with text
another line

Each line has one or more words. Each word is separated by space char.

Output sample:

Print the longest word in the following way.

some
another