infile,f,a,xy.txt,,,Name of the pixel positions file
outfile,f,a,sky.txt,,,Name of the sky positions file
wcsfile,f,a,wcs.img,,,Input image containing WCS
operation,s,a,PIX_TO_WORLD,PIX_TO_WORLD|WORLD_TO_PIX,,Conversion to perform
from,s,h,-,,,From WCS suffix
to,s,h,-,,,To WCS suffix
format,s,h,DEFAULT,,,Output format
inprec,i,h,3,,,Input precision
outprec,i,h,8,,,Output precision
clobber,b,h,no,,,Overwrite output file if exists?
chatter,i,h,3,0,5,Chatter level
mode,s,h,ql,,,