On 18.05.2025 20:00, Josep Maria Blasco wrote:
Missatge de Rony G. Flatscher <rony.flatsc...@wu.ac.at> del dia dv., 16 de maig
2025 a les 11:49:
(cut)
2) Adding new functionality to ooRexx, but being wary to "keep the language
small and easy to
learn".
(cut)
Maybe it would also be interesting to revisit your rgf_util2.rex package, and associated
publications like https://wi.wu.ac.at/rgf/rexx/orx20/2009_orx20_RGF_UTIL2-20100806-article.pdf .
In particular,
* Having negative indexes for many of Rexx BIFs looks like a neat idea (many
languages use that
notation; it's easy to explain and to learn; it's not esoteric; and you are
not forced to use it).
Yes, that would be a nice addition to the ooRexx BIFs if no one objects, removing the need for
rgf_util2.rex in these cases.
* Maybe some of the ideas formulated in section /5 Parsing a String Into
Words/ (see your pdf
above) could be applied to add new parameters to some of the existing BIFs.
For example,
currently there is a third "chars" argument to STRIP, which determines
which are the
characters to be stripped (by default, that's "2009"X, that is, what ooRexx
considers to be
whitespace). Adding a "chars" argument to WORDS would allow doing things
like removing
punctuation (for example); such an additional, optional, parameter could
also be used in
SUBWORD, WORD, WORDINDEX, WORDLENGTH and WORDPOS.
Hmm, could points. Hoping at some form of Unicode support in ooRexx which would help to have this
functionality included in ooRexx and in some of the ooRexx BIFs.
---rony
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