Scenario:
(1) umask 0177
(2) run Vim
(3) in Vim run system(), say:
:echo system('ls')
On Linux machines the result is:
E484: Can't open file /tmp/viEkD0f/2
It's easy to see why:
$ ls -ld /tmp/viEkD0f
drw------- 2 1034 1023 40 Jun 4 13:32 /tmp/viEkD0f/
The code has provisions to deal with this situation, but only on
systems that don't have mkdtemp(3). Glibc has mkdtemp(3).
/lcd
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