Return blank if the previous token in the token chain was blank
You can tell Silent Sifter to include the token only if the previous token was not blank.
i.e. ‘String:_:prev’ would return ‘_’ if the previous token was not blank, and blank if the previous token was blank.
| Usage | Input | Result |
|---|---|---|
Duration|String:_:prev |
12m24s |
12m24s_ |
Duration|String:_:prev |
(blank) |
(blank) |
CameraMake|String: taken:prev |
Canon SD 550 |
Canon SD 550 taken |
CameraMake|String: taken:prev |
(blank) |
(blank) |