[HN Gopher] Why "process substitution" is a late feature in Unix...
       ___________________________________________________________________
        
       Why "process substitution" is a late feature in Unix shells
        
       Author : r4um
       Score  : 49 points
       Date   : 2022-01-07 21:43 UTC (1 hours ago)
        
 (HTM) web link (utcc.utoronto.ca)
 (TXT) w3m dump (utcc.utoronto.ca)
        
       | zokier wrote:
       | The usability of unixy shells generally falls down a cliff when
       | you need to deal with more than just one input one output. The
       | awkwardness in trying to shoehorn process substitution is just
       | one of the examples of that.
        
         | rscnt wrote:
         | do you know alternatives to that? I assume PowerShell but don't
         | know if there's anything beyond that.
        
       | veltas wrote:
       | Didn't even know about process substitution, had been using
       | fifo's to achieve this!
        
         | ogogmad wrote:
         | Fish tries to use FIFOs to emulate process substitution, and it
         | leads to deadlock. Not sure why.
         | 
         | By default, Fish actually runs the processes in a strict
         | sequence. But this is because of the above deadlock situation.
         | And it therefore isn't process substitution.
        
       ___________________________________________________________________
       (page generated 2022-01-07 23:00 UTC)