Re huaqingyuan:
关于问题A,因为不了解你的具体需求,所以只写了一个空泛的框架,如果要符合你的要求,应该需要修改某些细节。
关于问题B,我的代码提供的是将命令输出结果保存为环境变量的通用办法,当然存在其他的解决方法,只不过这种更简单一些;至于eval.exe的细节我不是很清楚。
以下附录二者源代码,完整内容请下载文件
打开附件(第一次使用文件上传功能,如果出错请见谅)
::OP.BAT
@ECHO OFF
SET TABLE=sample.dat
IF == GOTO OPHELP
IF NOT EXIST %TABLE% GOTO OPERROR1
:OPMAIN
FIND " %1 " %TEMP%\RECORD.BAT
IF NOT ERRORLEVEL 1 GOTO OPLIST
IF NOT ERRORLEVEL 2 GOTO OPAPPEND
GOTO OPERROR2
:OPLIST
ECHO Record "%1" matched.
ECHO.
ECHO >%1.BAT @ECHO OFF
ECHO >>%1.BAT ECHO 姓名: %1
ECHO >>%1.BAT ECHO 姓别: %%1
ECHO >>%1.BAT ECHO 年龄: %%2
ECHO >>%1.BAT ECHO 爱好: %%3 %%4 %%5 %%6 %%7 %%8 %%9
CALL %TEMP%\RECORD.BAT
ECHO.
ECHO Record "%1" displayed.
DEL %TEMP%\RECORD.BAT
DEL %1.BAT
GOTO OPEND
:OPAPPEND
ECHO Record "%1" NOT matched!
ECHO.
IF == GOTO OPEND
ECHO %1 %2 %3 %4 %5 %6 %7 %8 %9 >> %TABLE%
ECHO.
ECHO Record "%1" appended.
GOTO OPEND
:OPHELP
ECHO.
ECHO Sample of Table Operation.
ECHO Usage: %0 record-key
ECHO or: %0 record-key data1 data2 data3
ECHO.
GOTO OPEND
:OPERROR1
ECHO.
ECHO Data file "%TABLE%" NOT exist!
ECHO.
GOTO OPEND
:OPERROR1
ECHO.
ECHO Failed to match record "%1"!
ECHO.
GOTO OPEND
:OPEND
SET TABLE=
::GETVALUE.BAT
@ECHO OFF
IF NOT == GOTO GVMAIN
:GVHELP
ECHO.
ECHO Get result of command with environment variable.
ECHO Usage: %0 command
ECHO Exaple: %0 CD
ECHO.
GOTO GVEND
:GVMAIN
SET COMMAND=%1 %2 %3 %4 %5 %6 %7 %8 %9
COPY SETENV.DAT %TEMP%\SETENV.BAT > NUL
%COMMAND% >> %TEMP%\SETENV.BAT
CALL %TEMP%\SETENV.BAT
IF == GOTO GVEND
ECHO Value of variable is %#VAR#%.
DEL %TEMP%\SETENV.BAT
SET COMMAND=
SET #VAR#=
:GVEND