diff options
-rwxr-xr-x | getsrv | 36 |
1 files changed, 36 insertions, 0 deletions
@@ -0,0 +1,36 @@ +#!/usr/bin/env bash +if [ "_$1" = '_-a' ];then + head="uniq" + shift +else + head="head -n1" +fi +record="_$1._$2.$3" +shift 3 +if [ "_$*" != "_" ];then + filter='grep -vF "'"$(printf "%s\n" "$*" | tr ' ' '\n')"'"' +else + filter=cat +fi +if which dig >/dev/null;then + dig +short -t SRV "$record" + echo "after dig" >&2 +elif which host >/dev/null;then + host -t SRV "$record" | cut '-d ' -f5- + echo "after host" >&2 +else + echo "fuck me. how am I supposed to get a srv record without dig or host?" >&2 + exit 1 +fi | grep '^[0-9][0-9]* [0-9][0-9]*' \ + | sort -rn \ + | rev \ + | cut -b2- \ + | rev \ + | awk '{print $1, $2, $4":"$3}' \ + | eval "$filter" \ + | awk '{if(NR==1){D=$1}if(D==$1)print $0}' \ + | cut '-d ' -f2- \ + | awk '{for(i=0;i<=$1;i++) {print $0} }' \ + | cut '-d ' -f2- \ + | shuf \ + | head -n1 \ |