INDISK/FITS name.fits 
! Elodie spectra range [3900:6800]AA
CREATE/IMAGE elodie_image 1,14501 3900.0,0.2 NODATA
COPY/IT toto0001 spec :wave
!NAME/COLUMN spec :LAB002 :flux "(erg/cm^2/s/0.1nm)" 
!CONVERT/TABLE image = spec :wave :flux elodie_image SPLINE
CONVERT/TABLE image = spec :wave #2 elodie_image SPLINE
!EXTRACT/IMAGE image = image [3900:6800]
!OUTDISK/FITS image name_spline.fits
OUTDISK/FITS image name_spline.fits