While reading the discussion of "Security risk of vim swap files,"
I decided to review where my swap files were being saved and
discovered that my 'directory' setting was not being obeyed.
My 'directory' contains a list of directory names, all ending in
"//" on Unix. All the names beginning with "~" were being ignored,
even though they were writable. I tried finding a simple case to
illustrate the problem and discovered that the results depend on
whether I set 'directory' with :set or :let.
My home directory contains a tmp directory writable by me.
$ cd
$ ls -ld tmp
drwxr-xr-x 8 gary gary 8192 Nov 6 10:48 tmp
Case 1: let
$ vim -N -u NONE -i NONE --cmd 'let &directory="~/tmp,/tmp"' foo
:set directory?
directory=~/tmp,/tmp
:swapname
/tmp/foo.swp
Case 2: set
$ vim -N -u NONE -i NONE --cmd 'set directory=~/tmp,/tmp' foo
:set directory?
directory=~/tmp,/tmp
:swapname
/home/gary/tmp/foo.swp
I see no difference between the values of 'directory' whether :set
or :let, yet the tilde is expanded correctly when 'directory' is :set
and apparently not expanded when 'directory' is :let.
I'm running Vim 8.0.1257 on a system running Red Hat Linux
Enterprise Linux 7.2.
Regards,
Gary
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