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Deleting specific lines in a file

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# 1  
Old 07-26-2011
Deleting specific lines in a file
Hello, I have a file like this one:

Code:
03-07-2011 sunz02       [ OK ]          message1
03-07-2011 sunz02       [ OK ]          message2
03-07-2011 sunz02       [ OK ]          message3
01-07-2011 sunz02       [ OK ]          message1
01-07-2011 sunz02       [ OK ]          message2
01-07-2011 sunz02       [ OK ]          message3
28-06-2011 sunz02       [ OK ]          message1
28-06-2011 sunz02       [ OK ]          message2
28-06-2011 sunz02       [ OK ]          message3

And I would like to delete all lines whose date is older than 10 days.

Something like:

Code:
find /path -mtime +10 -print0 | xargs -0 rm

But instead of seraching mtime dates searching the dates in the first column of the file, and instead of rm files, rm lines...
# 2  
Old 07-26-2011
That's nothing special related to AIX - moving thread.
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