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This is a stupid little Perl trick that corrupts a file by performing a pattern substitution throughout the file. The example file is an image file. The following can be ...
cannon (3.1415) unstable; urgency=low * Frobbed with options (closes: Bug#98339) * Added safety to prevent operator dismemberment, closes: bug#98765, bug#98713, #98714. * ...
www.perlfoundation.org - - sysread $handle, $buffer, $length In the first case, it's explicitly dispatching on the handle, because a colon in place of the first comma indicates ...
www.perlfoundation.org - - to &block that is not compatible. We're leaving "compatible" undefined for the moment, other than to point out that the signature doesn't have ...
www.perlfoundation.org - - allowed to be a junction of types: sub foo returns Int|Str {...} The "will" syntax specifically introduces a closure trait without requiring the ...
www.perlfoundation.org - - sub { return 1 } { 1, 2 } sub { return 1, 2 } { 1, 2, 3 } sub { return 1, 2, 3 } { 1, 2, 3 =] 4 } sub { return 1, 2, 3 =] 4 } { pair 1,2,3,4 } ...
www.perlfoundation.org - - should be on by default 160 acc Function-call named parameters (with compiler optimizations) 168 abb Built-in functions should be functions 176 ...
www.perlfoundation.org - - well here, and I'm wondering if it will be too hard to explain in general. I think this is probably too powerful a concept for the typical Perl ...
www.perlfoundation.org - - classes are now represented with C[[ [[...]] ]]. * Grouping is now represented with C[[...]]. With these changes, and making better use of whitespace,...
www.perlfoundation.org - - it's as if the entire subpattern were captured. If there are multiple captures, they are returned as an anonymous list. So $1 from such a subrule ...
www.perlfoundation.org - - of any scalar guidance, a subscript will be interpreted in list context. So %hash{ @array } will automatically slice on the list of keys in the ...
www.perlfoundation.org - - /Time\: $hours: =(..) \: $minutes:=(..) \: $seconds:=(..)/ *It may be appropriate for any assignments made before a code callout to be localized ...
www.perlfoundation.org - - that's really an array. In fact, "@array =~ / regex/" could conceivably be matching against a set of infinite strings in parallel, though that ...
www.perlfoundation.org - - names like: rule :a { ... } rule \a { ... } [Update: These are now handled as macro-like syntactic categories. See S05.] Modules that mutate Perl's ...
www.perlfoundation.org - - ] # find value [( $val eq %hash{$val} )] # assert eq ] } A typical "valuematch" might look like: rule { \s* =\] \s* # match =] $q:=([["'] ]) # ...
www.perlfoundation.org - - value in any of several ways.] As a kind of iterator, a regex stored in a variable doesn't expand in list context unless you put angles around ...
www.perlfoundation.org - - a calculated regex, since the result will be ignored. Instead, use the "[{expr}]" form to do that. As with "[&rule()]", the result will be interpreted ...
www.perlfoundation.org - - Old New --- --- ?pat? m:once/pat/ # match once only /pat/im:i/pat/ # ignorecase /:i pat/ # ignorecase /pat/x /pat/ # always extended /pat\s*pat/ ...
www.perlfoundation.org - - m:w/ foo\ bar \h* \: (baz)*/ really means (expressed in Perl 5 form): m:p5/\s*foo bar[ \040\t\p{Zs}]*:\s*(baz)*/ The first space in /[:w foo bar]/ ...
www.perlfoundation.org - - # not a Unicode SMILEY \X [.] # a grapheme (combining char seq) [:u2 .] # At level 2+, dot means grapheme [Update: That's ":graphs" now.] Under ...
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