Echo and Wildmasks
  1. Listing all image files
    Write a new script (choose a name) that prints (using echo) the name of all the .nii.gz files in the current directory and its parent directory.
    (Stuck? Look at the cheat)

  2. Listing a set of image files
    Modify the above script so that it only prints the even numbered files: vol000X.nii.gz where X is even.
    (Stuck? Look at the cheat)

  3. Merging a set of image files
    Modify the above script again so that it now merges (in time) the 3D volumes (specified by vol000X with X even) into a single 4D analyze image (specify a name of your choice).
    To do this you need to use the command: fslmerge
    (Stuck? Look at the cheat)

  4. Check the output
    Check that the resulting 4D image has 5 time points using fslhd
    Note: look at the number for dim4