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How to redirect stderr in Unix

 

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Question:

I forgot how to redirect stderr in Unix.

Answer:

> will redirect stdout. Use the &> operator to redirect stderr:

rm backup.zip &>junk

It works in the Windows shell too.


Comments:

2006-12-01, 17:26:26
anonymous from United States  
its >&
2008-03-12, 15:16:36
anonymous from United States  
Actually its neither of the above.
1 = std out file descriptor
2 = std err file descriptor

so the following redirects stderr to a file named 'junk'

rm backup.zip 2>junk

and the following redirects both stdout and stderr into a file named junk

rm backup.zip 1>junk 2>&1

the >& says to use the same file used by '1'

 

 

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