-F is GNU diff specific, not implemented in BSD diff.

Reported by: kouya@ryuhoku.jp MFC after: 3 days
2020-03-18 08:00:46 +00:00 · 2020-03-18 08:00:46 +00:00 · c165f4ab69
commit c165f4ab69
parent f22e76dc20
1 changed files with 1 additions and 1 deletions
--- a/share/examples/ipfw/change_rules.sh
+++ b/share/examples/ipfw/change_rules.sh
@ -149,7 +149,7 @@ cat <<!
 The new rules are now installed. The previous rules have been preserved in
 the file ${edit_file}.$DATE
 !
-diff -F "^# .*[A-Za-z]" -u ${edit_file}.$DATE ${edit_file} \
+diff -u ${edit_file}.$DATE ${edit_file} \
    | mail -s "`hostname` Firewall rule change" root
 rm ${TMPFILE}
 exit 0