Reverse Words

Write a program to reverse the words of an input sentence.

INPUT SAMPLE:

The first argument will be a path to a filename containing multiple
sentences, one per line. Possibly empty lines too. E.g.

Hello World
Hello CodeEval
OUTPUT SAMPLE:

Print to stdout, each line with its words reversed, one per line. Empty
lines in the input should be ignored. Ensure that there are no trailing
empty spaces on each line you print. E.g.

World Hello
CodeEval Hello