Argh! I was wrong. $ cat /tmp cat: /tmp: Is a directory
Sorry for the noise. > Am 17.03.2021 um 16:19 schrieb Christoph Kukulies <[email protected]>: > > There was some discussion in the FreeBSD mailing list about changing the > behaviour of a directory fd WRT > the read() function. A change has been made towards disallowing this from > FreeBSD 12.2 onwards (IIRC) and there was big discussion on this since it > „violates“ the cleanness of UNIX, that a file is a file is a file or > „everything is a file“. Many purists were against the disallowing behaviour. > > At that time I cross checked whether this is allowed in macOS and - again > IIRC - at that time (Catalina) it was disallowed either to do > a „vi .“: > > $ vi /tmp > > " ============================================================================ > " Netrw Directory Listing (netrw v168) > " /tmp > " Sorted by name > " Sort sequence: > [\/]$,\<core\%(\.\d\+\)\=\>,\.h$,\.c$,\.cpp$,\~\=\*$,*,\.o$,\.obj$,\.info$,\.swp$,\.bak$,\~$ > " Quick Help: <F1>:help -:go up dir D:delete R:rename s:sort-by > x:special > " > ============================================================================== > ../ > > ./ > .vbox-kuku-ipc/ > com.apple.launchd.AUnEPqi6tC/ > com.apple.launchd.atGF3BeR4X/ > com.apple.launchd.lOdpt02m8q/ > powerlog/ > FirstBootAfterUpdate > FirstBootCleanupHandled > OSL_PIPE_501_SingleOfficeIPC_57c1e9acbaf815f47e314f3cbee8d6= > fseventsd-uuid > > Now I’m surprised that this is possible (again?) under BigSur. I may be > totally wrong on this. I don’t have the > opportunity to cross check that against Catalina. Could someone confirm or > proove the opposite? > > — > Christoph > a UNIX dinosaur > > > > >
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