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我正在尝试创建一个批处理文件来读取 Microsoft Access .ldb 锁定文件。锁定文件包含计算机名和用户名的列表。我想提取计算机名称并最终针对外部命令运行它们。

批处理文件的格式是单行，其中 (1) 计算机名称 (2) NULL 字符 (Hex 00) (3) 大约 20 个空格 (4) 用户名​​ (5) NULL 字符 (6) 大约 20空格重复。

Notepad++ 中(NUL)表示 Hex 00 的示例：

COMPUTER0123(NUL) 管理员(NUL) COMPUTER0507(NUL) 管理员(NUL)

我尝试了几种方法FOR来读取文件，但无法通过第一个计算机名称。

setlocal EnableDelayedExpansion
设置文件=database.ldb

for /F %%a in ('type %file%') do (
    回声 %%a
    )

对于我的大多数 Access 数据库，文件中的用户名是Admin. 我已经能够FIND告诉我文件中出现了多少“管理员”（加 1）。

for /f "delims=" %%n in ('find /c /v "Admin" %file%') do set "len=%%n"
set "len=!len:*:=!"
echo %len% (minus 1) computer names to process 
<%file% (
  for /l %%l in (1 1 !len!) do (  
    set "line="
    set /p "line="
    echo(!line!)    
    )
)

遍历找到的行不起作用，可能是因为文件中只有一行（没有回车）。

我想找到一个适用于 Windows XP 标准安装的解决方案。

收到接受的答案后，我将其合并到我在下面发布的批处理文件中。我命名了该文件ShowUsersInLDB.bat并将其放在我的SendTo文件夹中。

@echo off
::===================================================================
:: Put this in your SendTo folder and it will let you right-click 
:: on an Access .ldb/.laccdb lock file and tell you the computer
:: names that have opened the database.  
::
:: After the computer names are shown, this will prompt you to 
:: search for the user names associated with each computer.  This
:: depends upon finding a 3rd party file named NetUsers.exe in
:: the user profile folder.  Feel free to change the path if you
:: want to store the file in another location.
:: 
:: NetUsers.exe can be downloaded from here:  http://www.optimumx.com/downloads.html#NetUsers
::
:: Notes:
:: 1) Keep in mind that sometimes after people leave the database 
:: the lock file still shows their computer name.  Don't jump
:: to conclusions.
:: 2) NetUsers.exe seems to report all users who have logged on
:: to the computer and not logged off, including services.  
:: If you aren't familiar with your user names or your users are
:: sharing remote desktops/Citrix/Terminal Services, you may have 
:: to guess who might have created the lock entry. 
::
:: Installation:
:: You may find a batch file named Install_UsersInLDB.bat that will 
:: copy this file to the SendTo folder and the NetUsers.exe file to 
:: the user profile (or a place you define).
::
:: Ben Sacherich - March 2014
:: Please let me know if you have any ideas for improvements.
::===================================================================

setlocal
set file="%1"

:: Make sure the file has a compatible extension.
if  "%~x1"==".ldb"    goto :ExtensionIsValid
if  "%~x1"==".laccdb" goto :ExtensionIsValid

echo.
echo "%~n1%~x1" is not the correct file type.
echo.
pause
goto :End

:ExtensionIsValid
echo The Access "%~n1%~x1" file contains
echo the following computer names:
echo.
set "compNameLine=1"
for /f %%A in ('more "%file%"') do (
  if defined compNameLine (
    echo %%A
    set "compNameLine="
  ) else set "compNameLine=1"
)

echo.
echo Are you ready to look up the user names on each computer?
pause

set "compNameLine=1"
for /f %%A in ('more "%file%"') do (
  if defined compNameLine (
    ::echo %%A
    "%userprofile%\netusers" \\%%A
    set "compNameLine="
  ) else set "compNameLine=1"
)

echo.
echo -- Validation finished at %time%  
pause
:End
exit
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1 回答 1

4

CMD.EXE 通常不能很好地处理 NUL 字节。但是有一些外部命令可以处理 NUL 字节。

您还必须担心“线”的长度。CMD.EXE 不喜欢长度超过 8191 字节的行。

我认为您最好的选择是更多，因为它将 NUL 转换为新行。

以下应回显您的计算机名称。

@echo off
setlocal
set "file=database.ldb"
set "compNameLine=1"
for /f %%A in ('more "%file%"') do (
  if defined compNameLine (
    echo %%A
    set "compNameLine="
  ) else set "compNameLine=1"
)
于 2012-12-12T18:38:57.103 回答