1 ./pretty --width=64 --both --newline gettysburg.txt 2 ./pretty -w=64 -b -n gettysburg.txt 3 ./pretty -w 64 -b -n gettysburg.txt 4 cat gettysburg.txt | ./pretty --width=64 --both --newline 1 Four score and seven years ago our fathers brought forth on this 2 continent, a new nation, conceived in Liberty, and dedicated to 3 the proposition that all men are created equal. 4 5 Now we are engaged in a great civil war, testing whether that 6 nation, or any nation so conceived and so dedicated, can long 7 endure. We are met on a great battle-field of that war. We have 8 come to dedicate a portion of that field, as a final resting 9 place for those who here gave their lives that that nation might 10 live. It is altogether fitting and proper that we should do 11 this.
Example 3: Left- and right-justified output.