100 WHEN EXCEPTION USE IOERROR
110   EXT "del input.txt"
120   EXT "del \input.txt"
130   EXT "rmdir docs"
140   EXT "rmdir \docs"
150 END WHEN
160 HANDLER IOERROR
170   PRINT "Error in line";EXLINE
180   PRINT "*** ";EXSTRING$(EXTYPE)
190   CONTINUE
200 END HANDLER