GAP 4.8.9 installation with standard packages -- copy to your CoCalc project to get it
libdir:=Directory("../"); docdir:=Directory("."); docdir2libdir:="../"; lscommand:=Filename(Directory("/bin/"),"ls"); main := "resolutionAccess.xml"; #the main documentation file bookname := "resolutionAccess"; files:=[]; stdout:=OutputTextString(files,false); stdin:=InputTextNone();; Process( libdir, lscommand , stdin, stdout, [] ); files:=Set(SplitString(files,"\n")); SubtractSet(files,Filtered(files,f->'~' in f)); Apply(files,f->Concatenation([docdir2libdir,f])); MakeGAPDocDoc(docdir,main,files,bookname); QUIT;