Gotchas in DOS Batch File Language
One would expect that the batch file would execute commands exactly as if they were typed manually. This is not true in the particular case when one of the commands is determined to be another batch file, in which case it simply replaces the one currently being executed.
C:\test>copy con main.bat @echo off echo Starting main.bat subr echo Completing main.bat ^Z 1 file(s) copied. C:\test>copy con subr.bat @echo off echo Starting subr.bat echo Completing subr.bat ^Z 1 file(s) copied. C:\test>main.bat Starting main.bat Starting subr.bat Completing subr.bat C:\test>Read more about this topic: Gotcha (programming)
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