If you want to draw a horizontal line made up of hyphens:

   
print "-" x 30

1.	Repetition operator, marked with an x.
2.	Repetition; print 10 stars
3.	brackets and Repetition operator
4.	Use Repetition operator in conjunction with concatenation.
5.	String multiply operator
6.	x times pattern : Repeat a string x times
7.	Mix string multiplication operator and number multiplication

If you want to draw a horizontal line made up of hyphens: : Repetition « String « Perl