On Mon, Jan 26, 2015 at 6:05 PM, Pádraig Brady <p...@draigbrady.com> wrote:
> On 26/01/15 13:43, Greg Wooledge wrote: > > On Sun, Jan 25, 2015 at 08:11:41PM -0800, garegi...@gmail.com wrote: > >> As a programming language which paradigms does bash support. > Declarative, procedural, imperative? > > > > This belongs on help-b...@gnu.org so I'm Cc'ing that address. > > > > Shell scripts are procedural. > > It should be noted that shell programming is closely related to functional > programming. > I.E. functional programming maintains no external state and provides > data flow synchronisation in the language. This maps closely to the > UNIX filter idea; data flows in and out, with no side affects to the > system. > > By trying to use filters and pipes instead of procedural shell statements, > you get the advantage of using compiled code, and implicit multicore > support etc. > > cheers, > Pádraig. > Though I understand what you say and maybe you can see pipes as something functional(ish), I believe this is a misleading statement as imo shell scripting is not even close to be functional in any kind of way.