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$ time perl -wE 'my $x = `cat 2`'

real    0m4.558s
...
real    1m28.649s
user    0m0.430s
sys    0m2.341s

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$ time blead -wE 'my $x = `cat 2`'

...
real    0m5.694s
user    0m0.397s
sys    0m1.378s