COMMENT ⊗   VALID 00002 PAGES
C REC  PAGE   DESCRIPTION
C00001 00001
C00002 00002	begin "twin"	comment read an address file and print pairs of labels
C00005 ENDMK
C⊗;
begin "twin"	comment read an address file and print pairs of labels;
require "head[s,les]" source_file;
		! break tables;
scnbrk(todot,<".[">,null,"ins");
break(tolff,lf&ff,cr&tab,"is");
scnbrk(foo," 	",null,"xr");
	
string ifile,ofile,txt;
integer col;
string array chunk[1:6];
string proc leftmax(integer maxln; string chop);
    return(if ln(chop)≤maxln then chop else chop[1 to maxln]);
		! execution;
ofile←ifile←ask("source file=");
ofile←todot(ofile)&".lpt";
txt←lookout(ifile);		! read this file;
entout(ofile);			! and print this one;
				! beginning at top of second page;
do begin "loop"
    integer testy;	! 0 = undefined, 1 = filled, 2 = need next;
    string procedure ADDRESS;  begin	! get the next line;
	string ns;
	if eof then return(null);
	case testy of begin
	    begin "find next"
		do begin ns←txt←input(inch,tolff); foo(ns) end until ln(ns) ∨ eof;
		testy←2
		end "find next";
	    return(txt);
	    begin "neednext"
		foo(<ns←txt←input(inch,tolff)>);
		if ln(ns)=0 then testy←1;
		end
	    end;
	return(txt)
	end "ADDRESS";
    integer row,col;
    
    chunk[1]←left(34,scan(txt,tolff,brk));
    testy←2;
    for row←2 thru 6 do chunk[row]←left(34,address);
    testy←0;
    for row←1 thru 6 do cprint(ouch,chunk[row],"  ",leftmax(34,address),↓);
    testy←0; address;
    end "loop" until eof;
release(inch);
release(ouch);
loded("ftp {score/csd.stanley}labels.lpt←labels.lpt
");
end