What happens if we try and join a number to a string?

   

#!/usr/bin/perl

use warnings;
print"Four sevens are ". 4*7 ."\n";

1.	Concatenating a number and a string
2.	Adding number to a string
3.	String is converted to a number automatically
4.	How Strings Are Converted to Numbers
5.	Converting Strings to Numbers
6.	The result when these two strings are compared depends on whether a string or integer comparison is being performed.
7.	String (with digits) is converted to number during the math operation
8.	String (without digits) is converted to number during the math operation

What happens if we try and join a number to a string? : Casting « Data Type « Perl