Qus: Difference between savepiplelinetofile & savepipline?
pub.flow:savePipeline - WmPublic. Saves a pipeline into memory, for later retrieval with pub.flow:restorePipeline.After a successful invocation of savePipeline, a snapshot of pipeline fields will be saved in
memory under the key provided by $name. Note that because the pipeline is saved to memory, it will not be available after a server restart. This service is helpful in the interactive development or debugging of an application