save result when running live with D435i camera

[VietPT3502]

Hello, i can run live with D435i Camera after modified a little bit of your T265 version but i dont know how to save with your Recording and playing back a dataset tutorial.
but i cant run the below

dm-vio/cmake-build-relwithdebinfo/bin/dmvio_t265 useimu=1 mode=0 preset=1 nogui=0 quiet=1 start=2 settingsFile=dm-vio/configs/t265_noise_tumvi.yaml resultsPrefix=./runResults/ calibSavePath=./RealsenseCalibration/factory_calib.txt camchainSavePath=./RealsenseCalibration/factory_camchain.yaml vignette=dm-vio/configs/realsense/vignette_t265.png gamma=dm-vio/configs/pcalib_linear_8bit.txt saveDatasetPath=$savefolder

in my cmake-build-relwithdebuginfo, the folder is empty, can you give me the solution?