脚本示例
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@ -0,0 +1,25 @@
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#!/usr/bin/env bash
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##############################################################
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# 很多场景下,我们需要在执行脚本时,输入指定的参数,脚本会
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# 根据参数执行不同的行为。这就需要读取脚本参数并校验。
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##############################################################
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################### 读取脚本输入参数并校验 ###################
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declare -a serial
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serial=(start stop restart)
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echo -n "请选择操作(可选值:start|stop|restart):"
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read oper
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if ! echo ${serial[@]} | grep -q ${oper}; then
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echo "请选择正确操作(可选值:start|stop|restart)"
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exit 1
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fi
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declare -a serial2
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serial2=(dev test prod)
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echo -n "请选择运行环境(可选值:dev|test|prod):"
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read profile
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if ! echo ${serial2[@]} | grep -q ${profile}; then
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echo "请选择正确运行环境(可选值:dev|test|prod)"
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exit 1
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fi
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@ -0,0 +1,7 @@
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#!/usr/bin/env bash
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current_dir=$(cd `dirname $0`; pwd)
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echo "当前目录是:${current_dir}"
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parent_dir=$(dirname $(pwd))
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echo "父目录是:${parent_dir}"
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@ -35,3 +35,20 @@ text="hello"
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echo `expr index "${text}" ll`
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# Output:
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# 3
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################### 截取关键字左边内容 ###################
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str="feature/1.0.0"
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branch=`echo ${str#feature/}`
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echo "branch is ${branch}"
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################### 截取关键字右边内容 ###################
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key=`echo ${str%/1.0.0}`
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echo "key is ${key}"
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################### 判断字符串中是否包含子字符串 ###################
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result=$(echo "${str}" | grep "feature/")
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if [[ "$result" != "" ]] ; then
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echo "feature/ 是 ${str} 的子字符串"
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else
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echo "feature/ 不是 ${str} 的子字符串"
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fi
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