Jan 24, 2019 · 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' …

Here the sigil changes to $ to denote that you are accessing a scalar, however the trailing [0] tells perl that it is accessing a scalar element of the array in _ or in other words, @_.

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 …

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 …

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...

Sep 5, 2012 · @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 …

May 2, 2012 · Possible Duplicate: What does =~ do in Perl? In a Perl program I am examining (namly plutil.pl), I see a lot of =~ on the XML parser portion. For example, here is …

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.

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

The -p causes Perl to iterate over every line of the input and execute the given code for each of them (and to print the lines afterwards). Specifically, the command perl -p -e …