:: demo.cmd  批处理参数处理演示  2000、XP ↑
:: by：无奈何  email：wunaihe@gmail.com  2005.11.17
1│@echo off
2│setlocal
3│set "p1=%~1"
4│set "p2=%~2"
5│set flag_d=0
6│set flag_n=0
7│if not defined p2 (
8│        if not defined p1 (
9│                set "directory=."
10│                ) else (
11│                        set "directory=."
12│                        call :_test "%p1%"
13│                        )
14│) else (
15│        call :_test "%p1%"
16│        call :_test "%p2%"
17│                )
18│if %flag_n% == 2 echo 参数为两个数字 &goto :EOF
19│if %flag_d% == 2 echo 参数为两个目录 &goto :EOF
20│echo 目录为：%directory%        数字为：%number%
21│goto :EOF
22│
23│:_test
24│set "x=%~1"
25│set /a "y=x+1-1"
26│if "%y%" == "%x%" (
27│        set "number=%x%"
28│        set /a flag_n+=1
29│        ) else (
30│                pushd "%x%" 2>nul
31│                if errorlevel 1 set "directory=." &goto :EOF
32│                set "directory=%x%"
33│                set /a flag_d+=1
34│                popd
35│                        )
36│goto :EOF
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:: demo2.cmd  批处理参数处理演示 2   2000、XP ↑
:: by：无奈何  email：wunaihe@gmail.com  2005.11.25
@echo off
rem xss [/I 输入路径] [/F 显示类型|/V 过滤类型] [/L 输出记录文件] [/O 输出路径]
setlocal
set /a n=0,m=1
set /a I=0,F=0,V=0,L=0,O=0
:loop
set "_temp=%~1"
if "%_temp%" == "" goto :star
if "%m%" == "1" (
        echo "%_temp%" |findstr/i /r "\</I\> \</F\> \</V\> \</L\> \</O\>" 2>nul 1>&2
        if errorlevel 1 echo 非识别参数 “%_temp%” &goto :EOF
)
set /a n=n+1,m=m+1
if /i "%_temp%" == "/I" set /a I=1,F=0,V=0,L=0,O=0,n=1
if /i "%_temp%" == "/F" set /a I=0,F=1,V=0,L=0,O=0,n=1
if /i "%_temp%" == "/V" set /a I=0,F=0,V=1,L=0,O=0,n=1
if /i "%_temp%" == "/L" set /a I=0,F=0,V=0,L=1,O=0,n=1
if /i "%_temp%" == "/O" set /a I=0,F=0,V=0,L=0,O=1,n=1
if "%n%" == "2" (
        if "%I%" == "1" set "directory_i=%_temp%" &set m=1
        if "%F%" == "1" set "filter_f=%_temp%" &set m=1
        if "%V%" == "1" set "filter_v=%_temp%" &set m=1
        if "%L%" == "1" set "log=%_temp%" &set m=1
        if "%O%" == "1" set "directory_o=%_temp%" &set m=1
)
shift
goto loop
:star
echo.directory_i        %directory_i%
echo.filter_f        %filter_f%
echo.filter_v        %filter_v%
echo.log        %log%
echo.directory_o        %directory_o%
goto :EOF
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:: ArgParse.bat - Parser of command line arguments
:: Will Sort - 2005-11-26 - WinXP_CMD/MSDOS7.10/MSDOS6.22
@echo off
:Init
for %%e in (directory_i directory_o filter_f filter_v log) do set %%e=
:ParseLoop
if "%1"=="" goto Start
for %%s in (i I f F v V l L o O) do if "%1"=="/%%s" goto Switch%%s
echo Error: Invalid switch '%1'!
goto Quit
:SwitchI
if "%directory_i%"=="" set directory_i=%2
goto NextArg
:SwitchO
if "%directory_o%"=="" set directory_o=%2
goto NextArg
:SwitchF
if "%filter_f%"=="" set filter_f=%2
goto NextArg
:SwitchV
if "%filter_v%"=="" set filter_v=%2
goto NextArg
:SwitchL
if "%log%"=="" set log=%2
goto NextArg
:NextArg
shift
shift
goto ParseLoop
:Start
echo.directory_i        %directory_i%
echo.directory_o        %directory_o%
echo.filter_f           %filter_f%
echo.filter_v           %filter_v%
echo.log                %log%
:Quit
for %%e in (directory_i directory_o filter_f filter_v log) do set %%e=
:end
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:: ArgParse.bat - V2 - Parser of command line arguments
:: Will Sort - 2005-11-30 - WinXP_CMD/MSDOS7.10/MSDOS6.22
@echo off
:Init
for %%e in (directory_i directory_o filter_f filter_v log) do set %%e=
:ParseLoop
if "%1"=="" goto Start
for %%s in (l L i I o O f F v V) do if "%1"=="/%%s" goto Switch%%s
echo Error: Invalid switch '%1'!
goto Quit
:: 一个有设定值的开关，如果重复设定将取最后一个
:SwitchI
set directory_i=%2
goto Next2Arg
:: 一个有设定值的开关，如果重复设定将取第一个
:SwitchO
if "%directory_o%"=="" set directory_o=%2
goto Next2Arg
:: 一个有设定值的开关，如果重复设定将抛出错误后终止程序
:SwitchF
if not "%filter_f%"=="" echo Error: Replicative switch '%1'!
if not "%filter_f%"=="" goto Quit
set filter_f=%2
goto Next2Arg
:: 一个可能有设定值的开关，如果未在其后设定值，将取默认值
:SwitchV
set filter_v=default
for %%s in (l L i I o O f F v V) do if "%2"=="/%%s" goto NextArg
if not "%2"=="" set filter_v=%2
goto Next2Arg
:: 一个没有设定值的开关，只有启闭功能，重复设定将反复取反
:SwitchL
if "%log%"=="" set _log=on
if "%log%"=="on" set _log=off
if "%log%"=="off" set _log=on
set log=%_log%
set _log=
goto NextArg
:Next2Arg
shift
:NextArg
shift
goto ParseLoop
:Start
echo.directory_i        %directory_i%
echo.directory_o        %directory_o%
echo.filter_f           %filter_f%
echo.filter_v           %filter_v%
echo.log                %log%
:Quit
for %%e in (directory_i directory_o filter_f filter_v log) do set %%e=
:end
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:SwitchV
for %%s in (l L i I o O f F v V) do if "%2"=="/%%s" set filter_v=default
for %%s in (l L i I o O f F v V) do if "%2"=="/%%s" goto NextArg
set filter_v=%2
if "%2"=="" set filter_v=default
goto Next2Arg
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for %%s in (l L i I o O f F v V) do (
        if "%2"=="/%%s" set filter_v=default
        if "%2"=="/%%s" goto NextArg
)
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