Let us consider an example that uses a few of these characters:
#!/usr/bin/perl use strict; use warnings; print "A backslash: \\\n"; print "Tab follows:\tover here\n"; print "Ring! \a\n"; print "Please pay bkuhn\@ebb.org \$20.\n";
This program, when run, produces the following output on the screen:
A backslash: \ Tab follows: over here Ring! Please pay firstname.lastname@example.org $20.
In addition, when running, you should hear the computer beep. That is
the output of the
\a character, which you cannot see on the
screen. However, you should be able to hear it.
Notice that the
\n character ends a line.
always be used to end a line. Those students familiar with the C
language will be used to using this sequence to mean newline.
When writing Perl, the word newline and the
are roughly synonymous.