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Re: Unable to use Device::SerialPort on Mac OS X

by broomduster (Priest)
on Aug 16, 2009 at 19:47 UTC ( #789042=note: print w/ replies, xml ) Need Help??


in reply to Unable to use Device::SerialPort on Mac OS X

I am using Device::SerialPort with no problems on 10.4.11 (Tiger). I know of folks using it successfully on 10.5.x.

I think AnonyMonk is pointing you in the right direction w.r.t. multiple Perl installations. You start with #!/usr/bin/perl, which is the Apple-supplied Perl. But all that /opt/local/... points at MacPorts, which suggests that you also have a Perl installation from there (probably /opt/local/bin/perl; try saying which perl on the command line). My guess is that even though you think you installed Device::SerialPort by hand, you either did so using the MacPorts Perl, or you really installed it via MacPorts (looks to me that they have a port for that).

Check to be sure that you really do have a MacPorts-installed Perl and change your shebang line accordingly. As AnonyMonk suggests, also try reinstalling Device::SerialPort if the altered shebang does not work.

Disclaimer: I don't use MacPorts, so these are Intelligent Guesses, not Definitive Truth.

Updated: I see you also posted back while I was replying and that you are back on track. If you change the first line of your script to

#!/opt/local/bin/perl
you will get the right Perl installation and not have to do /opt/local/bin/perl < filename on the command line.


Comment on Re: Unable to use Device::SerialPort on Mac OS X
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Re^2: Unable to use Device::SerialPort on Mac OS X
by Metphoto (Initiate) on Aug 16, 2009 at 22:47 UTC
    Hi

    I have just fixed the issue. Actually before I read your reply.

    It turned you were spot on!

    Some time ago I had used Porticus to install Wireshark, which POSSIBLY installed the other install of Perl. Certainly Porticus was listing a version of Perl.

    So I used Porticus to remove the naughty Perl and then reinstalled Device::SerialPort from CPAN.

    Finally I removed the unnecessary 'use lib' line from my code and bingo it works!

    Today has been a good learning experience.

    Thanks oh great monks.

    Mark

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