Re: v:fname mods

Reply to message «Re: v:fname mods»,
sent 18:23:59 22 February 2011, Tuesday
by ZyX:

Sorry, no match groups here, just referencing the whole matched pattern in a
second substitute. If `let &l:includeexpr="..."' does not work, use `setlocal
includeexpr=...' with proper escaping.

Original message:
> Reply to message «v:fname mods»,
> sent 15:32:51 22 February 2011, Tuesday
>
> by Roy Fulbright:
> > How can I modify v:fname to contain: A/B/C/Mymodule/Mymodule.pm (note:
> > the last part of the path is duplicated before adding '.pm') I used
> > 'substitute' to replace '::' with '/'. I looked for a vim function to
> > parse pathname in order to get the last part, but found nothing.
>
> There is a function that parses paths: fnamemodify, expression that gets
> last part of a path: fnamemodify(path, ':t'). But there is probably a
> better solution either using match groups or defining a new function with
> split+join:
>
> let
> &l:includeexpr='substitute(substitute(v:fname,"::","/","g"),"[^/]\\+$","&/&
> .pm","g")'
>
> Original message:
> > I have a fullpath filename in v:fname minus the filetype, for example:
> > A::B::C::Mymodule
> >
> > How can I modify v:fname to contain: A/B/C/Mymodule/Mymodule.pm (note:
> > the last part of the path is duplicated before adding '.pm') I used
> > 'substitute' to replace '::' with '/'. I looked for a vim function to
> > parse pathname in order to get the last part, but found nothing.
> >
> > My ultimate goal is to set 'includeexpr' to an expression that will
> > convert the object of a Perl "use" command to a filename for 'gf'.