program def eqlist, rclass
*! NJC 1.1.0 23 January 2001
* NJC 1.0.0 5 January 2001
	version 6.0
	gettoken lists 0 : 0, parse(",")
	if "`lists'" == "" | "`lists'" == "," { /* no \ */
		di in r "incorrect syntax: no separator"
		exit 198
	}

	tokenize "`lists'", parse("\")
	if "`4'" != "" {
		di in r "incorrect syntax: too much stuff"
		exit 198
	}
	if "`1'" == "\" { /* list1 empty */
		if "`2'" == "\" {
			di in r "incorrect syntax: one \ only"
			exit 198
		}
		local list2 "`2'" /* might be empty */
	}
	else if "`2'" == "\" {
		local list1 "`1'"
		local list2 "`3'" /* might be empty */
	}
	else {
		di in r "incorrect syntax: what to compare?"
		exit 198
	}

	syntax [ , Global(str) Noisily ]

	if length("`global'") > 8 {
		di in r "global name must be <=8 characters"
		exit 198
	}

	local n1 : word count `list1'
	tokenize `list1'
	local n2 : word count `list2'

	if `n1' != `n2' {
		local iseq = 0
	}
	else {
		local iseq = 1
		local i = 1
		while `i' <= `n1' & `iseq' {
			local word : word `i' of `list2'
			if length("``i''") > 80 | length("`word'") > 80 {
				di in r "cannot handle word length > 80"
				exit 498
			}
			if "`word'" != "``i''" { local iseq 0 }
			local i = `i' + 1
		}
	}

	if "`noisily'" != "" { di `iseq' }
	if "`global'" != "" { global `global' = `iseq' }
	return local iseq = `iseq'
end