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string_junction [2020/04/27 19:54]
argemiro created 		string_junction [2026/08/28 03:35] (current)
hermann Sync from local documentation review
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 ===== Description ===== ===== Description =====
  
-This functor picks one string from two execution pipelines.+Picks the first available ​string from two possible ​execution pipelines, so a value still reaches the rest of the model even when one of the pipelines that could produce it does not run.
  
 ===== Inputs ===== ===== Inputs =====
  
-^ Name            ^ Type                                      ^ Description ​                                                    ​^ +^ Name  ^ Type  ^ Description ​ ^ 
-| Possible String 1 | [[string_type|String Type]] | String ​output from an execution pipeline. | +| Possible String 1  | [[String Type]] ​ | String ​produced by one possible ​execution pipeline. ​ | 
-| Possible String 2 | [[string_type|String Type]] | String ​output from an execution pipeline. |+| Possible String 2  | [[String Type]] ​ | String ​produced by another possible ​execution pipeline. ​ | 
 + 
 +===== Optional Inputs ===== 
 + 
 +None.
  
 ===== Outputs ===== ===== Outputs =====
  
-^ Name ^ Type                                       ​^ Description ​                 ^ +^ Name  ^ Type  ^ Description ​ ^ 
-| String| [[string_type|String Type]] | String ​output from an execution pipeline. |+| String ​ | [[String Type]] ​ | String ​picked.  |
  
 ===== Group ===== ===== Group =====
  
 [[Functor List#​Control | Control]] [[Functor List#​Control | Control]]
 +
 +===== Notes =====
 +
 +The inputs are checked in order — Possible String 1, then Possible String 2 — and the first one that has a value is passed to the output. If neither input has a value, the output is left without one, which allows chaining several junctions together to combine more than two possible pipelines.
 +
 +This functor is typically placed after a container whose execution is conditional,​ such as [[If Then]] or [[Skip On Error]], so a default value is still available when that container'​s content does not run or does not finish.
  
 ===== Internal Name ===== ===== Internal Name =====
  
-stringJunction+StringJunction