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How to Append both standard output and standard error of command to file in Windows 2008 R2?

Posted on 2011-05-11
Medium Priority
Last Modified: 2012-06-27
I am running the batch file with dir command to find whether the file is found or not and wants to redirect the output and error to text file.Please let me know how to do this task? Thanks
Question by:PKTG
  • 2

Expert Comment

ID: 35742002
dir > yourfilename.txt

I have given up my age :) as I remember old school dos.

Expert Comment

ID: 35742007
the actual command:

dir searchedfile.* /s >youroutputfile.txt
LVL 85

Accepted Solution

oBdA earned 800 total points
ID: 35742051
If you want to have both stdout and errout in the same file, you need to redirect errout to stdout, and redirect stdout as usual.
In this case:
dir >output.txt 2>&1
The "2>&1" redirects errout to stdout, and stdout is sent to output.txt.
Note that the errout redirection has to appear after the stdout redirect; this will NOT work:
dir 2>&1 >output.txt
LVL 43

Assisted Solution

by:Steve Knight
Steve Knight earned 200 total points
ID: 35742339
You can soon do that to multiple commands too, or the entire batch too if neede with:

@echo off
(dir whatever
echo Something else
copy this to that
) > logfile.txt 2>&1


batchfile.cmd >logfile.txt 2>&1


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