What is the join() method in Perl?
Overview
The join() method in Perl is used to join strings that are separated by the specified separator.
Syntax
join(separator, *strings)
Parameters
-
separator: A string or a character that separates the joined strings. -
*strings: One or more strings that we want to join.
Return value
This method returns a new string with the strings joined together and separated by the separator separator.
Example
Let’s look at the code below:
# join strings$str1 = join(":", "hello", "we");$str2 = join("-", "Edpresso", "is", "awesome");$str3 = join("**", "the", "stars");# print resultsprint "$str1\n";print "$str2\n";print "$str3";
Explanation
- Lines 2 to 4: We use the
join()method to join some strings and the results are saved in some variables. - Lines 7 to 9: We print the results to the console.