On 2019-08-31 at 10:32, Teemu Likonen wrote: > The Wanderer [2019-08-31T08:39:56-04] wrote: > >> (Yes, that's technically a "senseless use of cat". I do it anyway, >> because always using pipes at every stage makes it easy to add or >> remove filtering stages without having to adjust the syntax in another >> part of the pipeline, and because it's easier to stick with that >> habitual pattern than to change it up in the relatively few cases >> where I can be sure that multiple stages aren't and won't be needed.) >> >> (And may I say that it's annoying to need to explain this every time, >> in order to forestall being called out for "senseless use of cat"? Not >> that I get called out for that here very much, but it does seem to >> happen virtually every time I don't include an explanation...) > > Discussions about "useless use of cat" have wasted far more resources > than the actual use of cat command.
Agreed. I'm sorry for having started another one (and for continuing it, for that matter, although apparently not sorry enough to have not done so), out of trying to forestall exactly that. > For the command and information ordering discussion I'll remind that > shell redirections can be placed also before the command. Commands > > $ cat input | command > > can be replaced with > > $ <input command Thank you for pointing that out. I'm not sure if I knew that or not, but I'll definitely consider it for future purposes. -- The Wanderer The reasonable man adapts himself to the world; the unreasonable one persists in trying to adapt the world to himself. Therefore all progress depends on the unreasonable man. -- George Bernard Shaw
signature.asc
Description: OpenPGP digital signature
