Thanks for your rapid reply, my test script is listed as following:

script 1:

while(my $l=<IN>){
}

[download]

script 2:

while(my $l=<IN>){
   my $id=substr($l,0, 33);
   $hash{$id}=1;
}

[download]

script 1 takes me around 15 secs where as script2 takes me 20 secs.

In reply to Re^2: How do I measure my bottle ? by cbrain
in thread How do I measure my bottle ? by cbrain

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