mac def macerror 0
if "$datain"=="" {
	noisily display
	noisily display "fixmacs.do must include datain."
	mac def macerror 1
}
if "$dataout"=="" {
	noisily display
	noisily display "fixmacs.do must include dataout."
	mac def macerror 1
}
if "$datain"=="$dataout" & "$datain"~="" {
	noisily display
	noisily display " The output file cannot replace the input file."
	noisily display "You must change the dataout macro in fixmacs.do."
	mac def macerror 1
}
if real("$bloat")~=1 {
	mac def bloat 0
}
if real("$compress")~=1 {
	mac def compress 0
}
if real("$unix")~=1 {
	mac def unix 0
}
if ($bloat==1 | $compress==1)  & $unix==0 {
	noisily display
	noisily display "Because the input data are compressed (or the output is to be compressed)"
	noisily display "fixmacs.do must include <macro define unix=1>"
	mac def macerror 1
}