From: "Bermejo, Rodrigo" <rodrigo.bermejo@...>
Date: 2003-08-26T23:04:33+09:00
Subject: Re: Ruby launching system apps?




>
>
>>
>>
>> I agree with Gennady that you will frequently be better off using 
>> native Ruby classes and methods for many things, particularly 
>> in-memory string manipulation, even if comparable tools are available 
>> through a Unix command.
>>
>> Regards,
>>
>> Mark
>>
> on ruby 1.6.8
>
> time ruby -p -e 'gsub("sed","ruby")'  file_with_1000000_sed_lines
> 7.61s user 2.02s system 35% cpu 27.161 total
>
> time sed s/sed/ruby/g   file_with_1000000_sed_lines
> 2.05s user 1.71s system 32% cpu 11.571 total
>
>  ...I expected other results...but  (I hope)  it's  improved on 1.8  ( 
> I could not test it now on 1.8 ) 
>
> -r.
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