---

layout: post
categories: shell bash
title: shell bash 模版填充ENV
date: 2017-12-28 21:46:47 +0800
description: 通过环境变量来初始化模版数据

keywords: storm bash shell 替换 模版

quick start

#!/bin/bash  
ZK_IP="192.168.1.1"  
cat ${template_path} |  
awk '$0 !~ /^\s*#.*$/' |  
sed 's/[ "]/\\&/g' |  
while read -r line;do  
    eval echo ${line}  
done >${dst_path}  

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