Re: [9fans] acme/sam internal/external command combination?

[Rob Pike <robpike@gmail.com>]

  Edit y/a/d
  Edit $=
is slightly more direct and slightly more obscure.

-rob

On 6/13/05, Russ Cox <russcox@gmail.com> wrote:
> Doesn't answer the general question very nicely but:
> 
> Edit x/[^a]/d
> Edit $=
> 
> or
> 
> !>/tmp/a
> Edit x/a/ |cat >>/tmp/a
> !wc /tmp/a
> 
> 
> 
> On 6/13/05, Axel Belinfante <Axel.Belinfante@cs.utwente.nl> wrote:
> > [cross-posting to sam-fans where this is more appropriate,
> >  although that has been silent for quite a while]
> >
> > I can count the number of ``a'' characters in
> > ``dot'' (current selection) in acme using
> >
> >         Edit x/a/p
> >
> > which prints all ``a'' from ``dot'' in window +Errors
> > and the selecting the aaaa string in +Errors and
> > running >wc on it.
> >
> >         Edit x/a/ > wc
> >
> > runs wc for each match of ``a'' which is not what
> > we want (we want to run wc only once, on all matched ``a'').
> >
> > Is there a (more) direct way to do this, or to access the
> > characters printed by the ``p'' command of above ``Edit'',
> > e.g. something to the effect of
> >
> >         (Edit x/a/p)| wc
> >
> > (and if so, what would be the sam equivalent?)
> >
> >
> > I could imagine a command sequence that first
> > ``destructs'' dot to contain the aaaaa string
> > and then runs >wc on that, but after that the
> > original contents should be restored, so that
> > is not a very good solution.
> >
> >
> > I think the more general question is: to what
> > extent is it possible (or useful) to mix internal
> > sam/acme commands (in particular those for
> > selecting/matching/looping) with external ones like wc,
> > or is the solution to not try to use acme/sam
> > commands for ``preprocessing'' (selecting),
> > but instead use something external,
> > like sed or awk, on the whole selection?
> >
> >
> > Just trying to learn,
> > Axel.
> >
>