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How do I determine what line in a file a search term is found?

Posted on 2008-06-09
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Last Modified: 2013-12-27
I know I can cat a file to see it's contents, wc -l a file to count the number of lines in said file, and | grep value a file to search for value within the file.

I'd like to be able to search a file for a term, then display the line number of the file that it was found in, if at all possible.

Situation: I have an application that's processing (importing data from) a text file, and I'd like to see how far along it is.  There are 28000 some lines in said text file, and there's no practical logging setup within the application to tell me where it's at, so I need to find an entry in the DB that I know was added via the process, and then find where in the file that line exists - if that makes any sense.

I need to do this in the shell, and I'd prefer that not much (or any) scripting be necessary.  I can also not install anything, as I'm a user on a production server instance that's locked down, so I need to use native applications to get the job done.

I only know that I'm on a Unix like operating system.  It may be Solaris, it may be RHEL.  Don't know how to find out at the moment - and hoping it won't matter too much.
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Question by:techport13
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Tintin earned 500 total points
ID: 21748640
grep -n "some term" file
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by:techport13
ID: 31465629
Exactly what I was looking for.  Thanks!
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