Re: [Nmh-workers] Thoughts: header/address parsing

[Ralph Corderoy]

Hi Anthony,

> >     $ for w in {0..9}; do
> >     >     echo "$w:<`scan -width $w -format '%(decode{subject})' .`>"
> >     > done
> >     0:<Po£nds.>
> >     1:<>
> >     2:<P>
> >     3:<Po>
> >     4:<Po�>
> >     5:<Po£>
> >     6:<Po£n>
> >     7:<Po£nd>
> >     8:<Po£nds>
> >     9:<Po£nds.>
> >     $
> >
> > Perhaps a new -runes that counts runes/glyphs/codepoints would
> > sidestep the compatibility issue, -runes trumping -width?
>
> But characters can consist of multiple codepoints (see: accents). And
> characters can be double-width. Or zero-width. Or, or, or...

OK, so we're normally after columnar output.  How about `-columns C',
where the string is output, as measured by wcwidth(), until either the
string ends or C would be exceeded.  Then pad with ASCII space until C
is met.

Cheers, Ralph.