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D:\>benchmark.pl
Benchmark: timing 1000000 iterations of foreach, map...
foreach: 12 wallclock secs (10.34 usr + 0.00 sys = 10.34 CPU) @ 96683.75/s (n=1000000)
map: 14 wallclock secs (12.28 usr + 0.00 sys = 12.28 CPU) @ 81426.59/s (n=1000000)
D:\>
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my @liste = ('A'..'K');
@liste2 = map { ++$_ } @liste;
print "@liste2\n"; # gut und schoen, aber:
print "@liste\n";
map { ++$_ } @liste;
++$_ for @liste;
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while (<FH>) {
print "BEVOR: $_";
&Machwas();
print "NACHHER: $_";
}
sub Machwas {
# veraendere $_, z.B.
$_ = 20;
} # Machwas
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