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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 core functionality. For example, in the above program, a line starting with hash # is a comment.
Simply saying comments in Perl start with a hash symbol and run to the end of the line −
# This is a comment in perl
Lines starting with = are interpreted as the start of a section of embedded documentation (pod), and all subsequent lines until the next =cut are ignored by the compiler. Following is the example −
Example
#!/usr/bin/perl # This is a single line comment print "Hello, world\n"; =begin comment This is all part of multiline comment. You can use as many lines as you like These comments will be ignored by the compiler until the next =cut is encountered. =cut
Output
This will produce the following result −
Hello, world
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