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Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!.POSTED!not-for-mail
From: Michael S <already5chosen@yahoo.com>
Newsgroups: comp.lang.c
Subject: Re: Running an editor from ANSI C
Date: Sun, 9 Jun 2024 11:36:04 +0300
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On Sun, 9 Jun 2024 07:24:14 -0000 (UTC)
Lawrence D'Oliveiro <ldo@nz.invalid> wrote:

> On Sat, 8 Jun 2024 22:13:49 +0300, Michael S wrote:
>=20
> > On Fri, 7 Jun 2024 23:57:58 -0000 (UTC)
> > Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> >  =20
> >> On Fri, 7 Jun 2024 14:24:29 +0300, Michael S wrote:
> >>  =20
> >>> On Fri, 7 Jun 2024 10:47:57 -0000 (UTC)
> >>> Lawrence D'Oliveiro <ldo@nz.invalid> wrote:
> >>>    =20
> >>>> On Fri, 07 Jun 2024 02:37:42 -0700, Keith Thompson wrote:
> >>>>    =20
> >>>>> As for portability, I'm not aware of the $EDITOR convention
> >>>>> being used on non-POSIX systems. =20
> >>>>=20
> >>>> Can non-POSIX systems offer anything better? Any worthwhile
> >>>> alternative?
> >>>>=20
> >>>> No. =20
> >>>=20
> >>> Yes. The one below is better.
> >>> ShellExecute(NULL, "edit", filename, NULL, NULL, SW_NORMAL); =20
> >>=20
> >> On Windows, that combines the command-line arguments into a single
> >> string. Which then has to be teased apart by the receiving program.
> >> Assuming the two ends can agree on consistent rules for doing so. =20
> >=20
> > You asked for something that is better *for user* than $EDITOR.
> > The one above is very clearly better for user than $EDITOR. =20
>=20
> Neglecting the various potential pitfalls in how the invocation
> works, fine.
>

Imaginary pitfalls in this case. All you want to pass to editor is a
file name. Pay attention how the 4th parameter in the call is NULL.

> > It is smarter - different editors are selected for different file
> > types. And it achieves that with zero effort on part of app
> > developer. =20
>=20
> If that=E2=80=99s what you want, then we have xdg-open for that
> <https://askubuntu.com/questions/1279623/what-is-xdg-open>.
>=20

Which is non-POSIX.
Which was my point - there are not just "worthwhile" alternatives to
POSIX ways, but obviously superior alternatives. Both on POSIX-compliant
and on none-POSIX-compliant systems.

> VISUAL and EDITOR are about editing text files, that=E2=80=99s all.