lqdhg

第一章
1
@echo off
for /l %%i in (1,1,100) do echo %%i
pause

2
@echo off
for /l %%i in (1,2,99) do echo %%i
pause


3
@echo off
set v=bbs bathome.net
for /f "tokens=1-3 delims=. " %%a in ("%v%") do (
echo %%a
echo %%b
echo %%c
)
pause

lqdhg

第一套第四题
@echo off
for /f "tokens=*" %%i in (test.txt) do echo %%i
pause

@echo off
for /f "tokens=2" %%i in (test.txt) do echo %%i
pause

第二章
1
@echo off
for %%i in (窗前明月光 疑是地上霜 举头望明月 低头思故乡） do echo %%i
pause

lqdhg

b3
@echo off
setlocal enabledelayedexpansion
for /l %%i in (100,-2,0) do (
echo %%i&set /a a=!a!+%%i
)
echo 和是%a%
pause