X-Git-Url: http://gitweb.michael.orlitzky.com/?p=hath.git;a=blobdiff_plain;f=doc%2Fman1%2Fhath.1;h=69b362fe17079601c155d330918b91e48e61532c;hp=488cebbf82e9580d022d0791a21bc3a5c0e5e0e9;hb=2404313e648301064041c12fdab8d2f976c26a64;hpb=097949fec1de71ad9f7d94dc16980c8ca4a18640

diff --git a/doc/man1/hath.1 b/doc/man1/hath.1
index 488cebb..69b362f 100644
--- a/doc/man1/hath.1
+++ b/doc/man1/hath.1
@@ -133,7 +133,6 @@ address:
 .I $ echo x127.0.0.1x | grep -Po $(echo 127.0.0.1/32 | hath -b)
 x127.0.0.1x
 .fi
-
 .IP \fB\-\-normalize\fR,\ \fB\-n\fR
 (reduced mode only)
 
@@ -148,6 +147,28 @@ see CIDRs that you did not input in the first place being removed.
 .I $ echo 127.0.0.1/8 | hath reduced --normalize
 127.0.0.0/8
 .fi
+.IP \fB\-\-sort\fR,\ \fB\-s\fR
+(reduced mode only)
+
+Sort the output CIDRs numerically by octet. The \(dqsort\(dq utility
+doesn't understand IP addresses, so the default pipe-to-sort approach
+fails in some cases:
+
+.nf
+.I $ echo \(dq10.0.121.32/28 10.0.93.248/29\(dq | hath reduced | sort
+10.0.121.32/28
+10.0.93.248/29
+.I $ echo \(dq10.0.121.32/28 10.0.93.248/29\(dq | hath reduced | sort -n
+10.0.121.32/28
+10.0.93.248/29
+.fi
+
+That failure justifies adding the additional option to hath:
+
+.nf
+.I $ echo \(dq10.0.121.32/28 10.0.93.248/29\(dq | hath reduced --sort
+10.0.93.248/29
+10.0.121.32/28
 .SH BUGS
 
 Send bugs to michael@orlitzky.com.