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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
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
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
Perl: Use s (replace) and return new string - Stack Overflow 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
perl - inappropriate ioctl for device - Stack Overflow In order for perl to be really useful it mirrors this model very closely, and does not treat files by emulating a magnetic tape as many 4gls do So it tried an "IOCTL" operation 'open for write' on a file handle which does not allow write operations which is an inappropriate IOCTL operation for that device file