Refine v1.0
Reads specific lines of text documents.
- Added parameter -f for read the first lines of the files.
- Added parameter -l for read the last lines of the files.
- Added parameter -a for read a line from a file.
- Added parameter -d and -s for read the specific lines of the files.
- Added parameter -h for view help information.
- The Parameter -e0 -t0 -a0 and -d0 has the same result as -e -t -a -d, but without enumerating the lines.