$ 'cmd' -in f.p -inform p -outform p -out ff.p3
$ if $severity .ne. 1 then exit 3
$
-$ difference/output=nl: fff.p f.p
+$ backup/compare fff.p f.p
$ if $severity .ne. 1 then exit 3
-$ difference/output=nl: fff.p ff.p1
+$ backup/compare fff.p ff.p1
$ if $severity .ne. 1 then exit 3
-$ difference/output=nl: fff.p ff.p3
+$ backup/compare fff.p ff.p3
$ if $severity .ne. 1 then exit 3
$
-$ difference/output=nl: f.p ff.p1
+$ backup/compare f.p ff.p1
$ if $severity .ne. 1 then exit 3
-$ difference/output=nl: f.p ff.p3
+$ backup/compare f.p ff.p3
$ if $severity .ne. 1 then exit 3
$
$ delete f.*;*,ff.*;*,fff.*;*