On Friday, July 5, 2013 8:01:49 PM UTC+2, Bram Moolenaar wrote:
> Nikolay Pavlov wrote:
>
>
> > >
>
> > > Nikolay Pavlov wrote:
>
> > >
>
> > > > > It's the other way around: On MS-Windows you can do:
>
> > > > >
>
> > > > > :e foo\$bar
>
> > > > >
>
> > > > > That is editing the file "$bar" in directory "foo". On Unix this has
>
> > a
>
> > > > > different meaning, editing file "foo$bar", thus not using $bar as an
>
> > > > > environment variable. That's why test 97 won't work on MS-Windows.
>
> > > >
>
> > > > I had a problem with expand(fnameescape('$HOME')): here '$HOME' is
>
> > assumed
>
> > > > to be ./$HOME and fnameescape() does not cope with this. Same for
>
> > ./a$HOME:
>
> > > > it tries to edit either ./aC:... (which is impossible due to requirement
>
> > > > not to have colon in the filename) or ./a/$HOME. There is a bug here.
>
> > >
>
> > > It's a problem, since:
>
> > >
>
> > > :e $HOME
>
> > >
>
> > > Means to expand the environment variable $HOME, while
>
> > >
>
> > > :e \$HOME
>
> > >
>
> > > Might mean editing the file "$HOME" in the current drive.
>
> > >
>
> > > Backslash escaping just doesn't work here. Perhaps we should require
>
> > > Windows style environment variables:
>
> > >
>
> > > :e %HOME%
>
> > >
>
> > > That's not backwards compatible though.
>
> >
>
> > I would suggest different kind of escaping: $$ will mean a single $. Not
>
> > the best as it adds different meaning to $, but since backslash was
>
> > partially released from its regular meaning (escape character) it is the
>
> > best I can deduce.
>
>
>
> Yeah, using $$HOME where $HOME is meant literally would probably work
>
> best. But it's very difficult to make all pieces of the code, with
>
> environment variable expansion and wildcard handling work properly.
>
> I'll make it a todo item.
>
>
>
> --
>
> I wonder, do vegetarians eat fruit bats?
>
>
Hello,
May be, an idea is not to change $HOME, or $bar at all, but in windows to
expand $A_WORD to %A_WORD%, but not to expand \$A_WORD and :e \$A_WORD mean to
edit the file "$A_WORD" in the current folder.
On windows to escape a char is more complicated, see the link:
http://www.robvanderwoude.com/escapechars.php
Best regards !
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