images,s,a,,,,Images to be operated upon
commands,f,a,,,,File of commands
table,f,h,"",,,File of values
colnames,s,h,"",,,Column names in table file
prompt,s,h,"asthedit> ",,,Prompt for STDIN commands
update,b,h,yes,,,Update image header?
verbose,b,h,no,,,Verbose output?
oldstyle,b,h,no,,,Use old style format?