Send lark/feishu bot message from shell

lark_msg

#!/bin/sh

WEBHOOK=YOUR_WEBHOOK_HERE

if [ "$*" == "--help" ] ; then
        echo "Usage: lark_msg <msg>..."
        exit 0
fi

msg="$*"

echo "sending:" "$*" | systemd-cat -t lark_msg -p info

json=$(jq -n --arg msg "$msg" '{"msg_type":"text","content":{"text": $msg}}')

ret=$(curl -s -X POST -H "Content-Type: application/json" -d "$json" "$WEBHOOK" )

if [ "$( echo "$ret" | jq .StatusCode )" != "0" ] ; then
        echo "failed:" "$ret"  | systemd-cat -t lark_msg -p warning
fi