Oct 16, by Doug Sheppard. You might be interested in the newer versions, available at:. Perl is the Swiss Army chainsaw of scripting languages: powerful and adaptable. It was first developed by Larry Wall, a linguist working as a systems administrator for NASA in the late s, as a way to make report processing easier. Since then, it has moved into a large number of roles: automating system administration, acting as glue between different computer systems; and, of course, being one of the most popular languages for CGI programming on the Web. Why did Perl become so popular when the Web came along?
Passing Hashes to Subroutines in Perl
Perl | Hash in Scalar and List Context - GeeksforGeeks
A Perl subroutine or function is a group of statements that together performs a task. You can divide up your code into separate subroutines. How you divide up your code among different subroutines is up to you, but logically the division usually is so each function performs a specific task. In versions of Perl before 5.
Perl - File I/O
A hash is a value that has a fixed length, and it is generated using a mathematical formula. Hash values are used in data compression, cryptology, etc. In data indexing, hash values are used because they have fixed length size regardless of the values that were used to generate them. It makes hash values to occupy minimal space compared to other values of varying lengths.
PERL is a high-level, general-purpose, interpreted, dynamic programming language. Perl is a term stands for "Practical Extraction and Reporting Language" even though there is no acronym for Perl. It was introduced by Larry Wall in