
operators - What does =~ do in Perl? - Stack Overflow
14 The '=~' operator is a binary binding operator that indicates the following operation will search or modify the scalar on the left. The default (unspecified) operator is 'm' for match. The …
What is the meaning of @_ in Perl? - Stack Overflow
Dec 30, 2010 · 128 perldoc perlvar is the first place to check for any special-named Perl variable info. Quoting: @_: Within a subroutine the array @_ contains the parameters passed to that …
What does the -> arrow do in Perl? - Stack Overflow
7 Perl arrow operator has one other use: Class−>method invokes subroutine method in package Class though it's completely different than your code sample. Only including it for …
operators - What is the difference between "||" and "or" in Perl ...
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.
What's the use of <> in Perl? - Stack Overflow
Mar 13, 2015 · @pst, <> is not a file handle, "null" or otherwise. It's an operator. Specifically, the readline operator. There's a reference to it as the "angle operator" in perlvar, although there …
What does exactly perl -pi -e do? - Stack Overflow
Jan 25, 2015 · What does exactly perl -pi -e do? Asked 10 years, 4 months ago Modified 10 years, 4 months ago Viewed 9k times
Perl flags -pe, -pi, -p, -w, -d, -i, -t? - Stack Overflow
Jun 10, 2011 · Below are the flags that I encounter most often, and I don't have a clue what they mean: perl -pe perl -pi perl -p perl -w perl -d perl -i perl -t I will be very grateful if you tell me …
Newest 'perl' Questions - Stack Overflow
This question is specifically for Perl 5 instead of Perl 6. The printf function in Perl allows for positional parameters in its format string, providing a way to reorder or reuse arguments. ...
What is the difference of using special variable $_ and @_ in Perl?
Feb 1, 2012 · Please explain what exactly the difference of $_ and @_ is in Perl. When to use which, given by example code.
terminology - What does " ~~ " mean in Perl? - Stack Overflow
5 It is the smartmatch operator. In general, when you want information about operators in Perl, see perldoc perlop