Re: Safe.pm, Barcode::DataMatrix, Can't locate object method "new" via package "Barcode::DataMatrix"

Are you *sure* this is the code you're running? When I run it, I get "Not a coderef" (after installing Barcode::DataMatrix)

That error is caused either when you call a legit method on a class/object, but you haven't use Barcode::DataMatrix; (but you have), or you've loaded the module, but the method doesn't exist (in this case it does). This is often caused by a typo... like typing new() as nw() by accident.

Test this yourself with this tiny sample and see what happens...

use strict;
use warnings;

use Barcode::DataMatrix;
use Safe;

my $mat = Barcode::DataMatrix->new()->barcode( 1 );
print $mat;
[download]

You should get similar output to this:

$ ./bc.pl
ARRAY(0x1960758)
[download]

Comment on Re: Safe.pm, Barcode::DataMatrix, Can't locate object method "new" via package "Barcode::DataMatrix" Select or Download Code

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Re^2: Safe.pm, Barcode::DataMatrix, Can't locate object method "new" via package "Barcode::DataMatrix" by Tharg (Scribe) on Jul 19, 2015 at 14:56 UTC
Yeah, I just copy / pasted it direct from here again and re-tested : `C:\Users\XX\TestSafe>perl TestSafe.pl (in cleanup) Can't locate object method "new" via package "Bar +code::DataMatrix" (perhaps you forgot to load "Barcode::DataMatrix"?) + at TestSafe.pl line 13. Failed` [download] This 'snippet' is just a stripped-down-for-posting version of the actual code, but it gives me the same error.	[reply] [d/l]
Re^3: Safe.pm, Barcode::DataMatrix, Can't locate object method "new" via package "Barcode::DataMatrix" by tangent (Parson) on Jul 19, 2015 at 15:15 UTC
at TestSafe.pl line 13 That seems to be the error from your own code - have you tested the sample code that stevieb gave you?	[reply]
Re^4: Safe.pm, Barcode::DataMatrix, Can't locate object method "new" via package "Barcode::DataMatrix" by Tharg (Scribe) on Jul 19, 2015 at 15:23 UTC
I have now (it was just edited in I think) : `C:\Users\XX\TestSafe>teststeve.pl ARRAY(0x37c520) C:\Users\XX\TestSafe>` [download] My function DataMatrix2d works fine outside of the safe compartment. (Note the last several lines of my code above don't make that much sense - I'm testing the wrong stuff after the code ref check, but my problem comes before then)	[reply] [d/l]
Re^2: Safe.pm, Barcode::DataMatrix, Can't locate object method "new" via package "Barcode::DataMatrix" by Tharg (Scribe) on Jul 19, 2015 at 15:31 UTC
Yeah that's what I get if I don't use the safe compartment (using your code) ... : `C:\Users\XX\TestSafe>teststeve.pl ARRAY(0x37c520) C:\Users\XX\TestSafe>` [download] Using my DataMatrix2d function without putting it in a string and using reval on it etc. : `C:\Users\XX\TestSafe>perl TestFunc.pl ARRAY(0x51c520) C:\Users\XX\TestSafe>` [download]	[reply] [d/l] [select]