# test writing various output file types
nifti_tool -make_im -prefix new1.hdr
nifti_tool -make_im -prefix new2.hdr.gz
nifti_tool -make_im -prefix new3.img.gz
nifti_tool -make_im -prefix new4.nii.gz
nifti_tool -make_im -prefix new5.nia

# test reading them
nifti_tool -copy_image -prefix ncopy1.nii -infiles new1.hdr
nifti_tool -copy_image -prefix ncopy2.nii -infiles new2.hdr.gz
nifti_tool -copy_image -prefix ncopy3.nii -infiles new3.img.gz
nifti_tool -copy_image -prefix ncopy4.nii -infiles new4.nii.gz
nifti_tool -copy_image -prefix ncopy5.nii -infiles new5.nia

# verify that they are all the same
# note: MAKE_IM defaults to NIFTI-2, while .nia is NIFTI-1, 
#       so either skip index 5 or convert to NIFTI-2
set count = 0
foreach index ( 2 3 4 5 )
    diff ncopy1.nii ncopy$index.nii
    if ( $status ) echo "-- failure on test index $index --"
end