File I/O
- ¶ How do I print the first line of a file?
- ¶ How do I parse out part of a file from the middle of the file?
- ¶ Can I make changes to a file without using a temporary file?
- ¶ How do I get the size of a file in Perl?
- ¶ How do I create a fixed width column file?
- ¶ How do I read a file backwards?
- ¶ How do I list the files in a directory?