String library

[Mezzenilium]

A String library is listed as available in Problog documentation. But no information on its predicates is given. If this information exists, where can we find it ?

[rmanhaeve]

The provided predicates are specified in this python file, and are somewhat self-explanatory. https://github.com/ML-KULeuven/problog/blob/master/problog/library/string.py

We will update the documentation for these, thanks for notifying us.

[Mezzenilium]

Thank you very much for this update on String library !

Le lun. 14 mars 2022 à 11:47, Robin Manhaeve @.***> a écrit :

The provided predicates are specified in this python file, and are somewhat self-explanatory.

https://github.com/ML-KULeuven/problog/blob/master/problog/library/string.py

We will update the documentation for these, thanks for notifying us.

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[Mezzenilium]

I try to use the predicates of the String library of Problog2, but it does not work or I have not understood the way to properly use them : %:- use_module(library(lists)). :- use_module(library(string)).

  o1(L) :- L = str2lst("aaaa, zzzz, eeee, rrrr").
  o2(S) :- S = lst2str(["aaa","dddd","fffff"]).
  o3(T) :- T = join('',["aaa","dddd","fffff"]).

  query(o1(S)).
  query(o2(S)).
  query(o3(S)).

gives

  o1(str2lst("aaaa, zzzz, eeee, rrrr")):    1         
  o2(lst2str(["aaa", "dddd", "fffff"])):    1         
  o3(join('',["aaa", "dddd", "fffff"])):    1