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grep all ORA errors except one ORA error

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# 1  
Old 11-05-2010
grep all ORA errors except one ORA error
Hi - I am trying to grep all "ORA" errors in a log files.I have to grep all ORA errors except one error for example ORA-01653.How can exclude that error in "grep" command?

In following "grep" command I want to exclude "ORA-01653" error

Code:
grep -i ORA alert.log >>/tmp/ora_errors.txt

Thanks in advance.

M
Last edited by Scott; 11-05-2010 at 05:31 PM.. Reason: Added code tags
# 2  
Old 11-05-2010
Code:
grep -i ORA -v 'ORA-01653' alert.log >>/tmp/ora_errors.txt

# 3  
Old 11-05-2010
-i is for ignoring case. All Oracle errors are in upper case.

Code:
$ sed -n "/ORA-/{/01653/!p;}"

# 4  
Old 11-05-2010
Thanks for your prompt reply.
I tried both "grep" and "sed" command and "sed" is working fine.

When I tried "grep" command i got following error.
$grep -i ORA -v "ORA-01653" alert.log

grep: can't open -v
grep: can't open ORA-01653

Thanks,
-M
# 5  
Old 11-05-2010
Code:
grep ORA alert.log | grep -v ORA-01653

Code:
[ctsgnb@shell ~]$ cat alert.log
blablablablabalbala
ORA-01555 blablablabla
blablablablabalbala
ORA-01653 blablablabla
blablablablabalbala
ORA-01234 blablablabla
ORA-09430215 blablablabla
ORA-01653 blablablabla
blablablablabalbala
blablablablabalbala
blablablablabalbala
ORA-09415 blablablabla
[ctsgnb@shell ~]$ grep ORA alert.log|grep -v ORA-01653
ORA-01555 blablablabla
ORA-01234 blablablabla
ORA-09430215 blablablabla
ORA-09415 blablablabla
[ctsgnb@shell ~]$

# 6  
Old 11-12-2010
Or you could use a Perl regular expression with negative lookahead assertion, as shown below with ctsgnb's test file -

Code:
$
$
$ cat alert.log
blablablablabalbala
ORA-01555 blablablabla
blablablablabalbala
ORA-01653 blablablabla
blablablablabalbala
ORA-01234 blablablabla
ORA-09430215 blablablabla
ORA-01653 blablablabla
blablablablabalbala
blablablablabalbala
blablablablabalbala
ORA-09415 blablablabla
$
$
$ perl -lne '/^ORA-(?!01653)/ && print' alert.log
ORA-01555 blablablabla
ORA-01234 blablablabla
ORA-09430215 blablablabla
ORA-09415 blablablabla
$
$

tyler_durden
# 7  
Old 11-12-2010
And to complete the list the inevitable awk Smilie
Code:
awk '/ORA/&&!/-01653/' alert.log

and a sed variation:
Code:
sed '/-01653/d;/ORA/!d' alert.log
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