and redirecting standard output to
.IR file \c
.BR .new .
-If all these programs are successful, then each
+If all these programs are successful, then each
.I file
is copied to
.IB file .old
.IR file ;
the
.IB file .old
-files are then deleted. If something went wrong, the
+files are then deleted. If something went wrong, the
.IB file .new
files are all deleted and the original
.IR file s