X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=chost;fp=chost;h=9a0034f120db7e94ee0377f4f5b98c27ea19f4ce;hb=afabe0c27af744200aa6b6e05c5b2ab7d7518c1e;hp=0000000000000000000000000000000000000000;hpb=cbdfb4aeffe56f5a1f00a006e94d328653957770;p=automated-distro-installer

diff --git a/chost b/chost
new file mode 100755
index 0000000..9a0034f
--- /dev/null
+++ b/chost
@@ -0,0 +1,13 @@
+#!/bin/bash
+
+# chost: get canonical hostname
+
+set -eE -o pipefail
+trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
+
+host=$1
+addr=$(host $host)
+addr=${addr##* }
+h=$(host $addr)
+h=${h##* }
+echo ${h%%.*}