Re: GPL - how does it work

2002-09-19 Thread fliptop

On Thu, 19 Sep 2002 at 08:20, Alex Agerholm opined:

AA:I am writing a CGI application/script in Perl which I am going to sell
AA:This application uses a few Perl modules (CGI.pm, Session.pm) which is
AA:covered by the GPL.
AA:How am I going to handle that, when I do not want to release my application
AA:under GPL ?
AA:
AA:In other words how can you use Perl modules under GPL in commercial
AA:applications without making your application public ?

you should ask a lawyer.

perldoc -q 'hide the source'



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Re: GPL - how does it work

2002-09-19 Thread Mat Harris

i believe perl itself is released under the GPL? and we have a firewall
script that we compile to hide the source and then sell. we have never had
any comeback from it.

On Thu, Sep 19, 2002 at 07:23:46 -0400, fliptop wrote:
 On Thu, 19 Sep 2002 at 08:20, Alex Agerholm opined:
 
 AA:I am writing a CGI application/script in Perl which I am going to sell
 AA:This application uses a few Perl modules (CGI.pm, Session.pm) which is
 AA:covered by the GPL.
 AA:How am I going to handle that, when I do not want to release my application
 AA:under GPL ?
 AA:
 AA:In other words how can you use Perl modules under GPL in commercial
 AA:applications without making your application public ?
 
 you should ask a lawyer.
 
 perldoc -q 'hide the source'
 
 
 
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Re: GPL - how does it work

2002-09-19 Thread zentara

On Thu, 19 Sep 2002 at 08:20, Alex Agerholm opined:
 
 AA:I am writing a CGI application/script in Perl which I am going to sell
 AA:This application uses a few Perl modules (CGI.pm, Session.pm) which is
 AA:covered by the GPL.
 AA:How am I going to handle that, when I do not want to release my application
 AA:under GPL ?
 AA:
 AA:In other words how can you use Perl modules under GPL in commercial
 AA:applications without making your application public ?

You just make your original portions of code proprietary, and state it
in the software.  You can have a mixed bag of software, some parts
GPL'd and other's not.  Just make sure you clearly define what parts are
not GPL'd, try to keep them in separate subroutines. It may be a waste
of time, because any decent programmer can take some code, and rewrite
it to do the same thing, but make it look different.  But at least it
will give you legal rights if some customer starts posting your code on
a website; or if a customer employee confesses to selling copies.






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GPL - how does it work

2002-09-18 Thread Alex Agerholm

Hi,

I am quite new to Perl and GPL, so I hope that someone can help me or direct
me to where I can read about this.

I am writing a CGI application/script in Perl which I am going to sell
This application uses a few Perl modules (CGI.pm, Session.pm) which is
covered by the GPL.
How am I going to handle that, when I do not want to release my application
under GPL ?

In other words how can you use Perl modules under GPL in commercial
applications without making your application public ?

Thanks in advance
Alex



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