Papp Gyozo (VBuster) wrote:
option "dependant" D
"option that depends on str-opt" int optional dependon="str-opt"
does this solve your problem?
More or less. I actually idealize the situation to strip down my problem:
scan --init --dir1=... --dir2=...
scan --attach --address=...
The first usage is default (used much more than the second one), moreover the distinctive
option (ie. --init) is not required even more a hidden option actually *without* default
values. So in most cases the user doesn't specify the "main" option either
because he has not to do so or because he simply are not aware of it. Thus in my
understanding if --init is not present, error will be generated each time if a dependant
option is given.
scan --init=/path/to/lib/to/load.so --dir1=... --dir2=... ; no error
scan --dir1=... --dir2=... ; error because no --init is given
Unfortunately this latter one is the most common use-case with this
application. :-(
I'm thinking about what default value I can define for --init to be compatible
with previous versions.
Hi there
from your original mail I seemd to understand that --dir options can
appear only if --init is given, isn't it so? If not, then you can
simply make them independent from --init, can't you?
Or am I missing something?
cheers
Lorenzo
--
Lorenzo Bettini, PhD in Computer Science, DSI, Univ. di Firenze
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