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Grimy
Grimy
2:24 AM
err
$x just interpolates the value of the variable $x in Perl
it’s not an optimization
 
Deadcode
Deadcode
2:35 AM
Can you evaluate a regex string literally so that "$x" will not be treated as a reference to the variable $x?
Wow, apparently even "$^" can be a variable in Perl.
Oh, duh. This very behavior can be used that way. /$x/ where $x="\$x"
 
Grimy
Grimy
2:57 AM
Or just /$ x/x
 
Deadcode
Deadcode
What is that syntax?
 
Deadcode
Deadcode
3:11 AM
Oh, never mind.
Free-spacing mode.
 

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