Thanks Bascillios and Marshall. I will check the string as hash key approach

Honestly speaking i did not think of keying my incoming strings in hashes as i was not sure of performance hit when doing an if(exists $storage{"String"}), as if we can generate a unique number from String and then   if(exists $storage{uniq number}) should be obviously faster the searching a big string as hash key. But anyways i will try it out

In reply to Re^3: Generating Unique numbers from Unique strings by rjohn1
in thread Generating Unique numbers from Unique strings by rjohn1

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