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I need to grep for a particular port number from a huge set of files.

I am using a command:

find . |xargs grep "9461"

But it does not finds all the occurrences for number 9461. Can anyone suggest a better unix/linux command to do so.

The kind of files it gets is : x.log, y.txt,z.htm, a.out etc files But it was not able to get abc.conf files

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  • Post the kind of files that it matches, and those that should be matched but aren't. Commented Jun 2, 2014 at 12:15
  • The kind of files it gets is : x.log, y.txt,z.htm, a.out etc files But it was not able to grep in abc.conf files Commented Jun 2, 2014 at 12:19
  • What do you mean with "it was not able to grep n ab.conf files"? That there was some 9461 in abc.conf but wasn't shown? Use grep -H to be sure it prints the filename it is grepping. Commented Jun 2, 2014 at 12:32

1 Answer 1

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You surely have some reason for using find in combination with grep, but just in case:

You can replace your command by:

grep -r "9461" .

and if you want even line numbers

grep -rn "9461" .

As JonathanLefflero commented, there is also the option -e that make grep match againt a regular expression, so, the ultimate command would be

grep -rne 9461

You should take a look on grep man page

A final note, you should check if what you want to grep is "9461" or 9461 without "".

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2 Comments

This can mean searching files multiple times as find lists the files and the parent directories, and the grep -r scans everything too. Using grep -r -e 9461 . might make sense.
@JonathanLeffler yes, you're right!! Editing right now.

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