Redirection Disables REM in Batch Files

This article was previously published under Q26281
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In Microsoft MS-DOS versions 3.2 and later, redirection has higher prioritythan the REM command. For example, the following batch file causes the filetest to contain either "BBBBB" or zero bytes after the REM statement,depending on which version of MS-DOS your are using. In other words, theredirection symbol is not disabled by the REM statement.
   echo AAAAA > test   type test   REM echo BBBBB test > test   type test		
Even if you comment out the redirection with a REM statement, it stilloccurs, nullifying the file (because the REM command ensures that nothingwould be redirected into the file).
6.22 3.2 3.21, 4.x 5.x 6.00 6.20
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Article ID: 26281 - Last Review: 08/23/2013 17:13:31 - Revision: 2.0

  • Microsoft MS-DOS 3.1
  • Microsoft MS-DOS 3.2 Standard Edition
  • Microsoft MS-DOS 3.21 Standard Edition
  • Microsoft MS-DOS 3.3 Standard Edition
  • Microsoft MS-DOS 3.3a
  • Microsoft MS-DOS 4.0 Standard Edition
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  • Microsoft MS-DOS 5.0 Standard Edition
  • Microsoft MS-DOS 5.0a
  • Microsoft MS-DOS 6.0 Standard Edition
  • Microsoft MS-DOS 6.2 Standard Edition
  • Microsoft MS-DOS 6.21 Standard Edition
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  • kbnosurvey kbarchive KB26281
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