On Tue, Jan 20, 2009 at 1:44 PM, m b <[email protected]> wrote:
> I need to create a section of a batch file that will determine whether a
> folder has had files added to it or not, and then perform one of two
> actions.
If you're just looking to see if the folder is empty or not, this may help:
DIR /B %folder% | findstr /R . > NUL
That will return success if %folder% is empty, or failure if %folder%
contains anything at all. ("Success" being a zero exit code (error
level), and "failure" being a non-zero exit code.)
If you're actually looking to at directory contents changes, then
yah, you'll need to save previous directory state and compare, like
you spoke of.
> the "fc" command doesn't seem to give me any output I can use within the
> batch file
??? If my testing, FC.EXE returns success if files are identical,
and failure if they differ. Win XP Pro SP2. Demonstration batch
file:
FC orig.txt same.txt > NUL
@ECHO ERRORLEVEL=%ERRORLEVEL%
FC orig.txt diff.txt > NUL
@ECHO ERRORLEVEL=%ERRORLEVEL%
That produces this output:
Ben>FC orig.txt same.txt 1>NUL
ERRORLEVEL=0
Ben>FC orig.txt diff.txt 1>NUL
ERRORLEVEL=1
-- Ben
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