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Perl versus C++ for large file processing

Posted on 2003-10-23
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We currently are using Perl scripts on a backoffice unix environment to process large data input files.  We are experiencing slow processing times, a limitation of 25 open hash files, and the inability to process files directly that are larger than 2 GB.  Someone in our group wants to change from Perl to C++ to overcome these limitations.  Is this the right move or should we be looking to just tune the existing Perl we have and maybe we are unaware of how to overcome the other limitations I have mentioned above. Any input would be appreciated.    Thanks.
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Question by:tigurr
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cluedon earned 125 total points
ID: 10021710

sounds like you need some optimization on your perl script.   There's nothing about perl that's creating the limitations you mentioned (that I know of).  A little more detail might allow more detailed advice...

having said that there may be advantages to using c++.   A well written c++ program may end up being faster.   Personally
I think a decision like that should be based on the skills of your staff, either language can solve the problem.  Most people
find perl scripts easier to maintain & most managers find perl skills easier to hire/retain.   If you have a few good c++
programmers who cant handle advanced perl you should use c++.   If you have a few good perl programmers & one c++
zealot then you should use perl.
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