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 …

Feb 2, 2016 · The => operator in perl is basically the same as comma. The only difference is that if there's an unquoted word on the left, it's treated like a quoted word. So you could have …

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

In Perl, the operator s/ is used to replace parts of a string. Now s/ will alter its parameter (the string) in place. I would however like to replace parts of a string befor printing it, as in pri...

The match operator is the syntax that tells the Perl interpreter: here comes a regex. In Perl, the match operator is normally delimited by '/' at start and end, but you can use delimiters (e.g., …

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 …

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 …

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.

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 …

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.