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Re^6: Hash order randomization is coming, are you ready?

by BrowserUk (Pope)

on Dec 02, 2012 at 17:41 UTC ( #1006737=note: print w/ replies, xml )

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$h1{ $_ } = 1 for         'a'..'z';;
$h2{ $_ } = 1 for reverse 'a'..'z';;
...

w 1 r 1 a 1 x 1 d 1 j 1 y 1 u 1 k 1 h 1 g 1 f 1 t 1 i 1 e 1 n 1 v 1 m 
+1 s 1 l 1 c 1 p 1 q 1 b 1 z 1 o 1
w 1 a 1 r 1 d 1 x 1 j 1 y 1 u 1 h 1 k 1 g 1 f 1 i 1 t 1 e 1 n 1 v 1 m 
+1 s 1 l 1 c 1 p 1 b 1 q 1 z 1 o 1

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@h1{ 'a'..'z', 'A'..'Z' } = (1)x52;;
delete @h1{ 'A'..'Z' };;
...
print %h1; print %h2;;
a 1 d 1 j 1 y 1 u 1 k 1 g 1 t 1 e 1 v 1 s 1 c 1 q 1 b 1 z 1 w 1 r 1 x 
+1 h 1 f 1 i 1 n 1 m 1 l 1 p 1 o 1
w 1 r 1 a 1 x 1 d 1 j 1 y 1 u 1 k 1 h 1 g 1 f 1 t 1 i 1 e 1 n 1 v 1 m 
+1 s 1 l 1 c 1 p 1 q 1 b 1 z 1 o 1

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@h{ 'a'..'z', 'A'..'Z' } = (1)x52;;
delete @h{ 'A'..'Z' };;
...
print %h; print %h2;;
a 1 d 1 j 1 y 1 u 1 k 1 g 1 t 1 e 1 v 1 s 1 c 1 q 1 b 1 z 1 w 1 r 1 x 
+1 h 1 f 1 i 1 n 1 m 1 l 1 p 1 o 1
w 1 r 1 a 1 x 1 d 1 j 1 y 1 u 1 h 1 k 1 g 1 f 1 i 1 t 1 e 1 n 1 m 1 v 
+1 s 1 l 1 p 1 c 1 q 1 b 1 z 1 o 1

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