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Re: Backward compatibility: $^O in perl 4

by krujos (Curate)
on May 07, 2003 at 16:42 UTC ( #256290=note: print w/ replies, xml ) Need Help??


in reply to Backward compatibility: $^O in perl 4

Why not just use

$OS_TYPE=`uname -s` $OS_VERSION=`uname -r
Seems eaiser. Update: This way there are no special cases needed in the code.


Comment on Re: Backward compatibility: $^O in perl 4
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Special case! [was: Re: Re: Backward compatibility: $^O in perl 4]
by bronto (Priest) on May 08, 2003 at 09:01 UTC

    Actually there is at least one special case: AIX. AIX does it its own way: uname -r returns the minor version of the OS, while uname -v returns the major version; this is the output on AIX 4.3:

    bash$ uname -s AIX bash$ uname -r 3 bash$ uname -v 4

    With your code the system will appear to have AIX 3 intead of 4...

    Ciao!
    --bronto


    The very nature of Perl to be like natural language--inconsistant and full of dwim and special cases--makes it impossible to know it all without simply memorizing the documentation (which is not complete or totally correct anyway).
    --John M. Dlugosz
      Whoa. I have never caught that before, never had to worry about versions on AIX. Thanks, I will change my code accordingly. You Rock!
      Josh

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