batbird

@echo off
:redo
set num=%random%
if %num% lss 100 goto redo
if %num% gtr 200 goto redo
echo %num%
set num=
pause>nulCOPY

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还是set /a w=%random%%%100+100这个简洁

[ 本帖最后由 batbird 于 2008-9-12 15:06 编辑 ]