Topological sorting of perl modules

[Joshua Root]

On 2014-8-13 19:54 , Joshua Root wrote:
> On 2014-8-13 18:38 , Mojca Miklavec wrote:
>> Hi,
>>
>> I would like to get a topologically sorted list of perl modules.
>>
>> (Ideally sorted by the number of dependencies first, then
>> alphabetically, but always making sure that all dependencies are
>> listed before any other module depending on them. Alternatively sort
>> by the number of ports depending on a particular module.)
> 
> This does a lot of what you want:
> 
> <https://trac.macports.org/browser/contrib/mpab/chroot-scripts/genportlist.tcl>

In fact, here, have a version modified to take a list of ports as input
and sort just them.

% ./depsort.tcl "ffmpeg zlib poppler libpng freetype bzip2"
bzip2
zlib
libpng
freetype
ffmpeg
poppler

- Josh
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