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using sed, how to change the text on line seven to read seventh?

Steve Blenheim:238-923-7366:95 Latham Lane, Easton, PA 83755:11/12/56:20300
Betty Boop:245-836-8357:635 Cutesy Lane, Hollywood, CA 91464:6/23/23:14500
Igor Chevsky:385-375-8395:3567 Populus Place, Caldwell, NJ 23875:6/18/68:23400
Norma Corder:397-857-2735:74 Pine Street, Dearborn, MI 23874:3/28/45:245700
Jennifer Cowan:548-834-2348:583 Laurel Ave., Kingsville, TX 83745:10/1/35:58900
Jon DeLoach:408-253-3122:123 Park St., San Jose, CA 04086:7/25/53:85100
Karen Evich:284-758-2857:23 Edgecliff Place, Lincoln, NB 92743:7/25/53:85100
Fred Fardbarkle:674-843-1385:20 Parak Lane, Duluth, MN 23850:4/12/23:780900
Lori Gortz:327-832-5728:3465 Mirlo Street, Peabody, MA 34756:10/2/65:35200
Paco Gutierrez:835-365-1284:454 Easy Street, Decatur, IL 75732:2/28/53:123500
Ephram Hardy:293-259-5395:235 CarltonLane, Joliet, IL 73858:8/12/20:56700
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1 Answer 1

up vote 2 down vote accepted

If you want to modify line 7, try the following sed :

sed '7s/.*/seventh/' file.txt
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I mean I want to replace line 7 with the word "seventh", assuming it still works if I change the content of line 7 –  Steve Oct 12 '12 at 2:07
    
@Steve: Try, sed '7s/.*/seventh/' file.txt –  Steve Oct 12 '12 at 2:15
    
great! it works. thanks a lot –  Steve Oct 12 '12 at 2:17
    
See my edited post –  sputnick Oct 12 '12 at 2:23
    
When steve meets Steve =) –  sputnick Oct 12 '12 at 2:29

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