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 subroutine. …

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, …

If I have a Perl hash with a bunch of (key, value) pairs, what is the preferred method of iterating through all the keys? I have heard that using each may in some way have unintended side effects.

Dec 27, 2012 · String compare in Perl with "eq" vs "==" [duplicate] Asked 12 years, 11 months ago Modified 9 months ago Viewed 346k times

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).

Jan 25, 2015 · Thus perl is looping over the lines in the given files, executes the code with $_ set to the line and prints the resulting $_. The magic variabe $^I is set to an empty string.

Nov 28, 2023 · What are all the ways of affecting where Perl modules are searched for? or, How is Perl's @INC constructed? As we know, Perl uses @INC array containing directory names to …

Mar 5, 2010 · I'm looking for presence of an element in a list. In Python there is an in keyword and I would do something like: if element in list: doTask Is there something equivalent in Perl without ha...

Jul 24, 2009 · In short: Perl doesn't have a data-type exclusively for text strings use == or !=, to compare two operands as numbers use eq or ne, to compare two operands as text There are many other …