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The World of Computer Software
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World_Of_Computer_Software-02-385-Vol-1of3.iso
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mymath55.zip
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ERRORLEV.BAT
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DOS Batch File
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1992-07-01
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621b
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14 lines
ECHO OFF
REM This file works with KEY.COM, which is case-sensitive.
CLS
SET N=
ECHO --------------------------------------------------------------------------------
ECHO Press a key
KEY
FOR %%A IN (0 1) DO IF ERRORLEVEL %%A00 SET N=%%A
FOR %%A IN (0 1 2 3 4 5 6 7 8 9) DO IF ERRORLEVEL %N%%%A0 SET N=%N%%%A
FOR %%A IN (0 1 2 3 4) DO IF ERRORLEVEL 2%%A0 SET N=2%%A
FOR %%A IN (0 1 2 3 4 5 6 7 8 9) DO IF ERRORLEVEL %N%%%A SET N=%N%%%A
FOR %%A IN (0 1 2 3 4 5) DO IF ERRORLEVEL 25%%A SET N=25%%A
ECHO --------------------------------------------------------------------------------
ECHO The errorlevel is %N%.