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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

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

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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

    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.


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