Shell命令echo和seed避坑

1. linux和mac命令差异：echo 和 sed

function xsed() {
    system=$(uname)

    if [ "${system}" = "Linux" ]; then
        sed -i "$@"
    else
        sed -i '' "$@"
    fi
}

function xecho() {
    system=$(uname)

    if [ "${system}" = "Linux" ]; then
        echo "$@"
    else
        /bin/echo "$@"
    fi
}

2. 从json中提取数据

password=`echo "$result" | awk -F '"Password":"' '{print $2}'| awk -F '"' '{print $1}'`

3. 去除字符串最后一个字符

requestData=${requestData%?}

4. sed用法

origin='"RequestId":"script01"'
placed='"RequestId":"script01","TBaaSId":"'$tbaasId'"'
sedReg="s/${origin}/${placed}/g"
xsed $sedReg $requestFileaName

5. 发送POST请求

result=$(curl -H "Content-type: application/json" -X POST -o /dev/null -s %{http_code} -d "$data" $url)