Bram Moolenaar wrote:
Nikolay Pavlov wrote:
On Jul 4, 2013 10:25 PM, "Bram Moolenaar" <[email protected]> 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.
May I point out that, under both Korn shell and Bash, $$ expands to the
process pid; currently it appears to do nothing under vim, though.
Regards,
Chip Campbell
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