Chemical structures with plain TeX

[Rodolfo Medina]

Peter Flynn <peter at silmaril.ie> writes:

> On 04/07/2019 23:10, Karl Berry wrote:
>>     TeX packages and applications for writing Chemistry papers?  (I use
>>     plain TeX.)
>> 
>> https://ctan.org/topic/chemistry
>> 
>> Unfortunately I see no way to filter out latex-only packages, which, I
>> expect, is most of them. 
>
> "Use the source, Karl" :-)
>
>
> $ wget -O - https://ctan.org/topic/chemistry 2>/dev/null | tidy -n -i
> -asxml 2>/dev/null - | lxprintf -e 'a[contains(@href,"/pkg/")]'
> "https://ctan.org%s\n" @href - | while read uri; do wget -O - $uri
> 2>/dev/null | tidy -n -i -asxml 2>/dev/null - | lxprintf -e
> 'td[.="Sources"]' "%s\n" 'following-sibling::td/a/code' -; done | grep
> -v latex
>
> /biblio/bibtex/contrib/chembst
> /macros/generic/chemfig
> /biblio/bibtex/contrib/chem-journal
> /obsolete/indexing/corridx
> /biblio/bibtex/contrib/chem-journal/jcc.bst
> /support/konwerter
> /graphics/mcf2graph
> /graphics/mol2chemfig
> /support/ochem
> /macros/context/current/cont-ppc.zip
> /graphics/pstricks/contrib/pst-labo
> /graphics/pgf/contrib/tikzorbital
> /info/translations/chemsym/de
> $
>
> Everything else contains 'latex' in the directory name for the sources.
>
> This is what all that pointy-bracket stuff is FOR...identifying
> information so that we can retrieve it :-)
>
> Peter


Thanks...

In the above list there isn't PPCHTeX, which certainly is for plain TeX...

Cheers,

Rodolfo