S S
What are you trying to do?
~[enlist{!!list}] is correct
Lets convert to plane language
filter="[enlist<check-list>] -[enlist{!!list}] ~[enlist{!!list}] -[enlist
<check-list>]
List each item in check-list, removing those that are in !!list, *If and
only if the resulting list is now empty* (because they match), list the
items in !!list, and remove those in check-list, so the result must be
empty (because we are only here because *If and only if the first resulting
list is empty*
Regards
Tony
On Tuesday, February 26, 2019 at 11:23:19 AM UTC+11, S. S. wrote:
>
> Tony,
>
> Trying out Mark's suggestion, I can't understand why this fails :
>
> {{!!list}} = [[C A]] [[A C]] [[B B]] y
> <$set name="check-list" filter="[[C A]] [[B B]] [[A C]] x">
> <$list filter="[enlist<check-list>] -[enlist{!!list}]
> ~[enlist{!!list}] -[enlist<check-list>]" emptyMessage="MATCH">
> NO MATCH
> </$list>
> </$set>
>
> I haven't needed to use the ELSE run prefix ~ before so I tried both ways
> (extra ~[[ brackets ]] around the ~ prefix, and both ways failed:
>
> <$set name="check-list" filter="[[C A]] [[B B]] [[A C]] x">
> <$list filter="[enlist<check-list>] -[enlist{!!list}]
> ~[[enlist{!!list}] -[enlist<check-list>]]" emptyMessage="MATCH">
> NO MATCH
> </$list>
> </$set>
>
> Confused.
>
>
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