save multiple chkdsk logs to single file

Question

I am creating a batch file to run chkdsk on every drive and log the output to a single file.

I am able to run a chkdsk and log it to a file with:

chkdsk a: > %userprofile%\desktop\test.log

However I am struggling to work out how to then run a new chkdsk and log that output to the same file.

DavidPostill · Accepted Answer · 2018-09-04 11:33:32Z

You need to use a different redirection operator.

The >> operator will append to a file.

Example:

chkdsk a: > %userprofile%\desktop\test.log
chkdsk b: >> %userprofile%\desktop\test.log

Redirection

command > filename       Redirect command output to a file
command >> filename      APPEND into a file

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