Charles Campbell wrote: > 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.
I think we should only do this on MS-Windows, where \$ is ambiguous. -- "When I die, I want a tombstone that says "GAME OVER" - Ton Richters /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\ /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\ \\\ an exciting new programming language -- http://www.Zimbu.org /// \\\ help me help AIDS victims -- http://ICCF-Holland.org /// -- -- You received this message from the "vim_dev" maillist. Do not top-post! Type your reply below the text you are replying to. For more information, visit http://www.vim.org/maillist.php --- You received this message because you are subscribed to the Google Groups "vim_dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
