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How do I comment out a block of code in Perl?

How do I comment out a block of code in Perl?

To write a comment in the Perl programming language you need to put the pound # . Everything after this symbol to the end of the line will be a comment.

How do I comment out multiple lines in Perl?

Multi-line comments emulation in Perl

  1. Use POD. For example, you could use: =for comment Commented text =cut.
  2. Any decent editor should allow you to put a # in front of n lines easily… That’s not an answer.
  3. use HERE-docs <<‘#’; this is a multiline comment # << ‘*/’; this is a multiline comment */
  4. use quote operators.

How do you comment out a block?

To comment a block:

  1. Select the required block of code.
  2. Press Ctrl + Shift + / The beginning (/*) and ending (*/) characters will be added in the appropriate places in order to mark the selected block as a comment.

What is a block comment?

The second is called a Block comment and refers usually refers to a paragraph of text. A block comment has a start symbol and an end symbol and everything between is ignored by the computer.

What is Perl script used for?

Perl is a general-purpose programming language originally developed for text manipulation and now used for a wide range of tasks including system administration, web development, network programming, GUI development, and more.

How do I use Chomp in Perl?

The chomp() function in Perl is used to remove the last trailing newline from the input string.

  1. Syntax: chomp(String)
  2. Parameters: String : Input String whose trailing newline is to be removed.
  3. Returns: the total number of trailing newlines removed from all its arguments.

What is a comment in Perl?

Comments in Perl Comments in any programming language are friends of developers. Comments can be used to make program user friendly and they are simply skipped by the interpreter without impacting the code functionality. For example, in the above program, a line starting with hash # is a comment.

How do you comment out a whole block of code?

Press ⌘ + / on a Mac, or ctrl + / on a Windows computer.

What is multiline comment?

Multiline comments are used for large text descriptions of code or to comment out chunks of code while debugging applications. Comments are ignored by the compiler.

What are the two types of comments?

Using Two Types of Comments

  • Marginal comments.
  • End comments.

Is Perl Dead 2020?

Perl is still very much a viable choice for modern programming. CPAN (a massive repository of Perl libraries and modules) is alive and well, and the majority of useful modules continue to be maintained. Books like Modern Perl give the style to keep Perl modern without falling victim to the mistakes of the past.