Write a Perl script that prints the contents of a file

• Write a Perl script that prints the contents of a file, prefixing each line with a line number. The script should accept exactly one argument representing the name of the file.
• The script should be able to handle the following error conditions:

1. Incorrect number of arguments
2. The specified argument is not a file.

• You cannot use the UNIX "cat" command in this assignment. You must use Perl to read the file and count the lines.
• You cannot use the UNIX "nl" command in this assignment.
• The printf function in Perl is useful for formatting numbers.
• The script must be able to execute on Einstein
• The script file name must be: linenum
• The script must be located in $HOME/itec400/homework
• Make sure the permissions on the your itec400 directory are 705
• Make sure the permissions on your script are 705.