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Dear all, I have been attempting to perform some interim analysis on a resting-state fMRI study following the concat-ICA+dual regression method, but encounter the following error message when attempting to run dual_regression: /usr/local/fsl/bin/dual_regression: line 56: [: too many arguments The script continues to run, but then further generates: wc: /home/fsl/Desktop/baselinedata/dualregr/scripts+logs/drA: No such file or directory wc: /home/fsl/Desktop/baselinedata/dualregr/scripts+logs/drC: No such file or directory The output folder contains nothing other than the (partial) scripts+logs folder. The input I used was: dual_regression /home/fsl/Desktop/baselinedata.gica/groupmelodic.ica/melodic_IC 1 /home/fsl/Desktop/baselinedata/design.mat /home/fsl/Desktop/baselinedata/design.con 1000 /home/fsl/Desktop/baselinedata/dualregr 'cat /home/fsl/Desktop/baselinedata.gica/.filelist' I'm poking around with the script to see where I'm going wrong, but thought I'd ask in case there's something glaringly obvious that's amiss. Thanks for your time. Regards, Alistair