Sorry, I missed some of the negates in your question. Yes, make it a "gate" rather than "dam" because you want to cut the pipe when the trigger is found. To get the trigger on its own, you could do something with fanout to feed it to a "fanin" just before the end. Or use "strliteral ifempty ,*, "
Sir Rob the Plumber On 8 December 2017 at 23:05, James Vincent <[email protected]> wrote: > If there is no * I get no records. If there is a * I get all the records > BUT the *. It seems close... > > I was messing with GATE and thought I was on to something, but still could > not make it work. > > > -- *James Vincent* > -- Calendar: http://tinyurl.com/JSVCalWeek > > On Fri, Dec 8, 2017 at 4:45 PM, Rob van der Heij <[email protected]> > wrote: > > > So that means you need to buffer possibly all of your input records > before > > you know you don't want them? You can trigger 'dam' to decide whether you > > let the data pass, something like this: > > > > callpipe (end \) > > \ i: fanin | d: dam > > \ *: > > | x: locate ,*, > > | take > > | i: > > \ x: > > | buffer > > | d: > > | *: > > > > Assuming you want to discard the record with the * in it, if not you'd > use > > a 'fanout' to retain the full copy. > > But I have a feeling you'd end up with different requirements when you've > > thought this through. > > > > Sir Rob the Plumber > > > > > > On 8 December 2017 at 20:58, James Vincent <[email protected]> > > wrote: > > > > > I am hitting a wall trying to figure out how to do this elegantly and > am > > > betting someone knows. > > > > > > I have a pipe of records and want to select all the records only if "*" > > is > > > not in the stream. If "*" is in the stream, then only select that one. > > > > > > For instance: > > > > > > abc > > > 123 > > > * > > > > > > Result should be: * But if * is missing, then the result is abc and > > 123 > > > > > > Any thoughts? > > > > > > -- *James Vincent* > > > -- Calendar: http://tinyurl.com/JSVCalWeek > > > > > >
