i1 : fn = temporaryFileName() o1 = /tmp/M2-29045-1
i2 : f = fn << "hi there" o2 = /tmp/M2-29045-1 o2 : File
i3 : fileMode f o3 = 420
i4 : close f o4 = /tmp/M2-29045-1 o4 : File
i5 : removeFile fn