51 I guess the tag is a variable, and it is checking for 9eaf - but does this exist in Perl? What is the "=~" sign doing here and what are the "/" characters before and after 9eaf doing?

Sep 5, 2012 · What's the use of <> in Perl. How to use it ? If we simply write <>; and while (<>) what is that the program doing in both cases?

Nov 10, 2019 · 53 From Perl documentation: OR List operators On the right side of a list operator, it has very low precedence, such that it controls all comma-separated expressions found there.

I'm working on a Perl script. How can I parse command line parameters given to it? Example: script.pl "string1" "string2"

Output of perldoc -q round Does Perl have a round () function? What about ceil () and floor ()? Trig functions? Remember that int() merely truncates toward 0. For rounding to a certain number of digits, …

In Perl, what is a good way to perform a replacement on a string using a regular expression and store the value in a different variable, without changing the original? I usually just copy the string to a new …

Jan 4, 2011 · Is there a built-in function to trim leading and trailing whitespace such that trim(" hello world ") eq "hello world"?

Jun 29, 2012 · In the case of perl /usr/bin/perl is the path to the perl interpreter. If the hashbang is left out the *nix systems won't know how to parse the script when invoked as an executable.

Jul 21, 2009 · I keep printing my hash as # of buckets / # allocated. How do I print the contents of my hash? Without using a while loop would be most preferable (for example, a one-liner would be best).

Dec 27, 2012 · String compare in Perl with "eq" vs "==" [duplicate] Asked 13 years ago Modified 9 months ago Viewed 346k times