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Full Discussion: [Solved] Find entries from one file in another
Top Forums UNIX for Dummies Questions & Answers [Solved] Find entries from one file in another Post 302797347 by bakunin on Monday 22nd of April 2013 12:08:29 PM
Old 04-22-2013
If you have a look at the man page of "grep" you will notice the "-f" option. Quote from the man-page:

Code:
-f FILE, --file=FILE
	      Obtain  patterns	from  FILE, one per line.  The empty file con-
	      tains zero patterns, and therefore matches nothing.

Therefore, supposing your keys are in file "keys.txt" and you want to search for these keys in "search.txt":

Code:
grep -f keys.txt search.txt

does exactly what you want.

Reading man pages is a very commendable activity. I do it many times day when working with Unix.

I hope this helps.

bakunin
 

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LEARN ABOUT DEBIAN

ecaccess-file-move

ECACCESS-FILE-MOVE(1p)					User Contributed Perl Documentation				    ECACCESS-FILE-MOVE(1p)

NAME

       ecaccess-file-move - Move or Rename ECaccess Files

SYNOPSIS

       ecaccess-file-move -version|-help|-manual

       ecaccess-file-move [-debug] source-ecaccess-file target-ecaccess-file

DESCRIPTION

       Allow moving an ECaccess File. When the move occurs within the same ECaccess File System then it is a rename. When the move occurs across
       two different ECaccess File Systems then first a copy is done and then a delete of the original file is done (e.g. similar to ecaccess-
       file-copy ... -erase).

       The source-ecaccess-file and target-ecaccess-file are in the form [domain:][/user-id/]path. Please read the "Shell commands -> File
       Management" section of the "ecaccess" guide for more information on the ECaccess File System.

ARGUMENTS

       source-ecaccess-file
	       The source ECaccess File name.

       target-ecaccess-file
	       The target ECaccess File name.

OPTIONS

       -version
	       Display version number and exits.

       -help   Print a brief help message and exits.

       -manual Prints the manual page and exits.

       -debug  Display the SOAP messages exchanged.

EXAMPLES

       ecaccess-file-move ec:test1.txt ec:test2.txt

       Rename the test1.txt file in the ECFS directory of the authenticated user in test2.txt.

       ecaccess-file-move ec:test1.txt home:test2.txt

       Copy the test1.txt file from the ECFS directory of the authenticated user to the test2.txt file in the $HOME directory of the authenticated
       user, then delete the test1.txt file from ECFS.

SEE ALSO

       ecaccess-file-delete, ecaccess-file-get, ecaccess-file-mget, ecaccess-file-modtime, ecaccess-file-mput, ecaccess-file-rmdir, ecaccess-file-
       copy, ecaccess-file-dir, ecaccess-file-mdelete, ecaccess-file-mkdir, ecaccess-file-chmod, ecaccess-file-put, ecaccess-file-size and
       ecaccess.

perl v5.14.2							    2012-04-16						    ECACCESS-FILE-MOVE(1p)
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