- 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 matching operator has a pair of characters that designate where the regular expression begins and ends Most commonly, this is ' ' Give Perl Re tutorial
- syntax - What are the differences between $, @, % in a Perl variable . . .
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, @_
- operators - What is the difference between || and or in Perl . . .
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 does the - gt; 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 completeness for the question in the title
- Whats the use of lt; gt; in Perl? - Stack Overflow
@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 isn't actually any such operator The angle brackets are used by two operators: readline or glob The operator depends on the contents of the brackets
- How does double arrow (= gt;) operator work in Perl? - Stack Overflow
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 written Martin => 28 which would be the same as 'Martin', 28 You can make a hash from any even-length list, which is all you're doing in your example Your Readonly example is taking advantage of Perl's flexibility with
- Perl flags -pe, -pi, -p, -w, -d, -i, -t? - Stack Overflow
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 what each of those mean and some use cases for them, or at least tell me a way of finding out their meaning
- operators - What does =~ mean in Perl? - Stack Overflow
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 UnfixXMLString (lines 159 to 167
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