Coe

Coe — Concatenate the args but return empty if any is empty.

Coe ?args ...?

Return Value

Concatenation of all arguments or empty string if any one is empty.

Arguments

args

Strings to concatenate.

More Info

COE = Concatenation Or Empty.

Can be useful for forming optional clauses in a statement (e.g. a WHERE clause).

For information regarding exceptions / errors, see here.

% set MyDict {}
% set sql "SELECT * FROM my_table[Coe \" WHERE \"  [SqlWhereClause $MyDict]]"
SELECT * FROM my_table