Hi, I'd like to refer to an old post I found in the archive [1] and ask if there has been some progress in this?
Best, Alexander [1] http://dev.list.galaxyproject.org/Sending-tool-output-to-input-parameters-of-downstream-tool-s-tt4663398.html > Hi all, > I was recently wondering how it might be possible for > an output from tool A to be used as a parameter when > calling tool B (without modifying tool B to take a data > configuration file or anything like that). > To clarify, I'm thinking about simple parameters like > a single integer/float/string like "median insert size" > or "average coverage" which map to a single input > parameter in a downstream tool. > Workflow parameters basic $variable support is > similar to what I'm thinking about here, see: > https://wiki.galaxyproject.org/DevNewsBriefs/2011_01_31 > Perhaps one day in addition to tool outputs being files, > they can include setting $variables (local to the history), > which could then be used within downstream tools? > I can see this has downsides with tracking the providence > of each variable though... thus: > Another idea would be extra filetypes for each parameter > type (Unix philosophy - make everything into a file), e.g. > integer_parameter, float_parameter, ... which "Tool A" > could define as an output, and write to. Galaxy would > then need to offer these history entries to the user when > a later tool (e.g. "Tool B") asked for a parameter of that > type (e.g. an integer, or a float). > (This idea could be extended further, with data files > using JSON or something to hold a structured set of > parameter values which Galaxy could then offer to > fill later tool's inputs.) > Crazy, or is there some mileage in this idea? > Peter
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