ml_run_process.m

function out = ml_run_process(processName,inputs,outputs,params)
    % out = ml_run_process(processName,inputs,outputs,params)
    % runs a mountainlab processors with inputs and outputs being structures
    % giving the names inputs and outputs of the function
    % params is likewise

    conda_path = get_conda_path();
    runStr = ['. ' conda_path ' && conda activate mlab && ml-run-process ' processName ' '];
    
    inStr = ['-i ' makeKeyStr(inputs)];
    outStr = ['-o ' makeKeyStr(outputs)];
    if exist('params','var') && ~isempty(params)
        pStr = ['-p ' makeKeyStr(params)];
    else
        pStr = '';
    end
    runStr = [runStr ' ' inStr ' ' outStr ' ' pStr];
    disp(['Executing command: ' runStr])
    [errCode,out] = system(runStr,'-echo');
    if errCode~=0
        error('Something went wrong! Derp!\n%s',out)
    end
        

    function oStr = makeKeyStr(s)
        % makes string in key:value format from structure
        oStr = '';
        FNs = fieldnames(s);
        for k=1:numel(FNs)
            val = s.(FNs{k});
            if iscell(val)
                for l=1:numel(val)
                    tmpV = val{l};
                    if isnumeric(tmpV)
                        tmpV = num2str(tmpV);
                    end
                    oStr = [oStr FNs{k},':',tmpV];
                    if l<numel(val) || k<numel(FNs)
                        oStr = [oStr ' '];
                    end
                end
            else
                if isnumeric(val)
                    val = num2str(val);
                end
                oStr = [oStr,FNs{k},':',val];
                if k<numel(FNs)
                    oStr = [oStr,' '];
                end
            end
        end