For example in SongKong it can be used to store genres as a list of values. Here the trackno is padded to two figures if it exists otherwise returns ‘’, then ifnotempty function would only output the value and separator if there was a trackno. Or if you have changed your file rename mask then the new mask will be. For example if you rename a song that is already in the iTunes library without informing iTunes. ifnotempty(trackno,' - ') + titleĪ function can be called within another function, the result of the first function will become the value passed to the second function Next Sharing filename masks between SongKong and Jaikoz. It takes a value and a separator as parameters, then it says the check the value of value and if not empty output value + sep, but if has no value output nothing.įor example here we output trackno and separator and then title but only if we have a trackno otherwise we just output title. The ifnotempty function is useful and used in many of the predefined rename masks.

Return value.length > 0 ? value + sep : ''

Songkong rename mask examples