FOR /L %variable IN (start,step,end) DO command \[command-parameters\]

Performs the command from Start, by step, through end such that:

FOR /L %i in (1,1,3) do @echo %i                would echo:
1
2
3

and                 FOR /L %i in (2,-1,-2) do @echo %i                would echo:
2
1
0
-1
-2

I use this techique to copy these tips from their on-line folder to the Desktop Tips folder:

DESKTOP 1190 1229

copies tips 1190 through 1229, and tip index 1100 and 1200, without the advertising banner.  DESKTOP.BAT contains:

@echo off
if "%2"
"" goto dumbdumb
if "%1" GTR "%2" goto dumbdumb
setlocal
set prev=999999
for /l %%i in (%1,1,%2) do call :Build %%i
endlocal
goto end
:dumbdumb
@echo DESKTOP From To
goto end
:Build
set tip=%1
set /a num=%tip%
set /a num=%num% + 10000
set /a num=%num% / 100
set /a num=%num% * 100
set num=%num%
set num=%num:~1,4%
if "%num%"
"%prev%" goto dettip
set prev=%num%
:dettip
:end