SHELL批量命令：grep命令-ev

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问题描述

我需要一些帮助。我有这样的shell脚本code和工作正常。

I need some help. I have this shell script code and it is working properly.

 databases=`mysql -u$dbUser -p$dbPass -e "SHOW DATABASES LIKE '%demo%';"  | grep -Ev "(Database|information_schema)"`

我怎样才能把它转换批处理？

How can I convert it in Batch?

推荐答案

您可以使用此作为基础，并适应您的需求。

You can use this as a base and adapt to your needs.

@echo off
    setlocal enableextensions enabledelayedexpansion

    set "dbUser=username"
    set "dbPass=password"

    set "databases="
    for /f "usebackq delims=" %%a in (`
        mysql -u%dbUser% -p%dbPass% -e "SHOW DATABASES LIKE '%%demo%%';"
        ^| findstr /l /v /c:"Database" /c:"information_schema"
    `) do set "databases=!databases! %%a"

    echo %databases%

的为命令将执行的mysql 命令，将与 FINDSTR进行过滤为不包含所指示的字符串的行。对于每个输出线，在做子句中的code被执行。每个输出线连接到此数据库变量。

The for command will execute the mysql command, that will be filtered with findstr for lines that do not contain the indicated strings. For each of the output lines, the code in the do clause is executed. Each output line is concatenated to the databases variable.

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