revert chost, broke for localhost

[automated-distro-installer] / chost

diff --git a/chost b/chost
index 9a0034f120db7e94ee0377f4f5b98c27ea19f4ce..3e1acd216f8cf5fe055641021c95844f7f53b070 100755 (executable)
--- a/chost
+++ b/chost
@@ -1,4 +1,5 @@
 #!/bin/bash
+# Copyright (C) 2016 Ian Kelling
 
 # chost: get canonical hostname
 
@@ -6,8 +7,7 @@ set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 
 host=$1
-addr=$(host $host)
-addr=${addr##* }
+addr=$(host $host | sed -rn 's/^.*has address (.*)/\1/p;T;q')
 h=$(host $addr)
 h=${h##* }
 echo ${h%%.*}