# Also, the length of space at the end of the host line is dependent
# on the length of the longest line, so strip it also on otherwise
# un-rewritten lines like localhost
+ #
+ # host 127.0.0.1 [127.0.0.1]
+ # host 10.0.0.1 [10.0.0.1]-
+ #
+ # host 127.0.0.1 [127.0.0.1]--
+ # host 169.16.16.16 [169.16.16.10]
s/^\s+host\s(\S+)\s+(\S+)/ host $1 $2/;
s/^\s+(host\s\S+\s\S+)\s+(port=.*)/ host $1 $2/;
s/(^|\W)\K\Q$parm_ipv6_stripped\E/ip6:ip6:ip6:ip6:ip6:ip6:ip6:ip6/g;
s/\b\Q$parm_ipv4r\E\b/ip4-reverse/g;
s/(^|\W)\K\Q$parm_ipv6r\E/ip6-reverse/g;
- s/^(\s+host\s\S+\s+\[\S+\]) +$/$1 /;
+ s/^\s+host\s\S+\s+\[\S+\]\K +$//; # strip, not collapse the trailing whitespace
# ======== Test network IP addresses ========