如何更换使用批处理主机文件的字符串？ [英] How to replace a string in the host file using batch?

问题描述

我想编写一个批处理文件查找和主机文件替换IP地址。

我做了一些研究，发现这一点，但它似乎并没有工作。我得到的最后的回声完成。但它不工作。

 关闭@echoREM设置为Windows变量主机文件位置
集hostpath =％SYSTEMROOT％\\ SYSTEM32 \\ drivers \\ etc下
设置HOSTFILE =主机REM使hosts文件写
ATTRIB -r％hostpath％\\％HOSTFILE％SETLOCAL enabledelayedexpansion
组字符串=％hostpath％\\％HOSTFILE％REM设置想要查找的字符串
设置查找=旧的IPREM设置想要用来替换字符串
集替换=新的IP
呼叫建立字符串= %%字符串：！！！！找到替换= %%
回声％字符串％REM使hosts文件未写
ATTRIB + R％hostpath％\\％HOSTFILE％回声完成。
 

解决方案

 关闭@echoREM设置为Windows变量主机文件位置
集hostpath =％SYSTEMROOT％\\ SYSTEM32 \\ drivers \\ etc下
设置HOSTFILE =主机REM使hosts文件写
ATTRIB -r -s -h％hostpath％\\％HOSTFILE％REM设置想要查找的字符串
设置查找=旧的IP
REM设置想要用来替换字符串
集替换=新的IPSETLOCAL enabledelayedexpansion
FOR / Fdelims =%%一中（类型％hostpath％\\％HOSTFILE％'）做（
设置字符串= %%一个
设置字符串=字符串：％！找到％=％替换％！
＆GT;＆GT; newfile.txt回声！串！
）移动/ Ynewfile.txt％hostpath％\\％HOSTFILE％REM使hosts文件未写的 - 没有必要的。
ATTRIB + R％hostpath％\\％HOSTFILE％回声完成。
暂停
 

I'm trying to write a batch file to find and replace an IP address in the hosts file.

I did a bit of research and found this, but it doesn't seem to work. I get the final echo of "Done." but it doesn't work.

@echo off

REM Set a variable for the Windows hosts file location
set hostpath=%systemroot%\system32\drivers\etc
set hostfile=hosts

REM Make the hosts file writable
attrib -r %hostpath%\%hostfile%

setlocal enabledelayedexpansion
set string=%hostpath%\%hostfile%

REM set the string you wish to find
set find=OLD IP

REM set the string you wish to replace with
set replace=NEW IP
call set string=%%string:!find!=!replace!%%
echo %string%

REM Make the hosts file un-writable
attrib +r %hostpath%\%hostfile%

echo Done.

解决方案

@echo off

REM Set a variable for the Windows hosts file location
set "hostpath=%systemroot%\system32\drivers\etc"
set "hostfile=hosts"

REM Make the hosts file writable
attrib -r -s -h "%hostpath%\%hostfile%"

REM set the string you wish to find
set find=OLD IP
REM set the string you wish to replace with
set replace=NEW IP

setlocal enabledelayedexpansion
for /f "delims=" %%a in ('type "%hostpath%\%hostfile%"') do (
set "string=%%a"
set "string=!string:%find%=%replace%!"
>> "newfile.txt" echo !string!
)

move /y "newfile.txt" "%hostpath%\%hostfile%"

REM Make the hosts file un-writable - not necessary.
attrib +r "%hostpath%\%hostfile%"

echo Done.
pause

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