Because you may want to put something very readable and understandable in
a script and like long options, or have to type it interactively every day
in a terminal and like short ones. Most UNIX commands include both kind.
Would it make sense then to add long versions for all the other standard
options too?
Yep. It is really a stylistic (pedantic?) matter. See for pgbench:
https://commitfest.postgresql.org/action/patch_view?id=1106
--
Fabien.
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