Enter filename: temp.txt The number of lines in this file is 4 This is my file, It's all full of text. Upcase the chars, And screw up what's left. Enter another filename:File temp.txt is textfile. It was modified 0 days ago. 1. This is my file, 2. THIS IS MY FILE, 3. THIS IS MY FILE, 4. THIS IS MY FILE, MATCH: I 5. TH*S *S MY F*LE, 1. It's all full of text. 2. IT'S ALL FULL OF TEXT. 3. IT'S @LL FULL OF TEXT. 4. IT'S @LL FULL OF TEXT. MATCH: UL 5. IT'S @LL F*L OF TEXT. 1. Upcase the chars, 2. UPCASE THE CHARS, 3. UPC@SE THE CH@RS, 4. DownC@SE THE CH@RS, 5. DownC@SE THE CH@RS, 1. And screw up what's left. 2. AND SCREW UP WHAT'S LEFT. 3. @ND SCREW UP WH@T'S LEFT. 4. @ND SCREW Down WH@T'S LEFT. 5. @ND SCREW Down WH@T'S LEFT.