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Full Discussion: Find EXACT word in files, just the word: no prefix, no suffix, no 'similar', just the word
Top Forums UNIX for Dummies Questions & Answers Find EXACT word in files, just the word: no prefix, no suffix, no 'similar', just the word Post 302616231 by Corona688 on Friday 30th of March 2012 04:28:40 PM
Old 03-30-2012
Quote:
Originally Posted by chicchan
My control file does not have the ^ and $. Maybe I should add those to each line.
You don't need them in the file itself.

^ and $ have special meanings to grep -- ^ means "Beginning of the line", and "$" means "end of the line."

So "^word$" would search for a line that starts, and ends, with word. It wouldn't match "wword" or "wordd".

So this doesn't sound relevant to what you want, since you're not looking for a regex at the beginning or end of a line. You're looking for an exact string in a column.

awk is very good at dealing with columns... How about:

Code:
awk '
# Save the list of strings to look for into the array A, so A["stringtofind1"]=1 etc.
NR==FNR{ A[$1]++; next};

{      # Check each column for the exact string.  If found, print the line and break the loop.
        for(N=1; N<=NF; N++) if(A[$N]) { print ; break }
}' controlfile logfile

Last edited by Corona688; 03-30-2012 at 05:34 PM..
 

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LEARN ABOUT BSD

boggle

BOGGLE(6)							   Games Manual 							 BOGGLE(6)

NAME

       boggle - play the game of boggle

SYNOPSIS

       /usr/games/boggle [ + ] [ ++ ]

DESCRIPTION

       This  program  is  intended for people wishing to sharpen their skills at Boggle (TM Parker Bros.).  If you invoke the program with 4 argu-
       ments of 4 letters each, (e.g.  "boggle appl epie moth erhd") the program forms the obvious Boggle  grid  and  lists  all  the  words  from
       /usr/dict/words	found  therein.  If  you invoke the program without arguments, it will generate a board for you, let you enter words for 3
       minutes, and then tell you how well you did relative to /usr/dict/words.

       The object of Boggle is to find, within 3 minutes, as many words as possible in a 4 by 4 grid of letters. Words	may  be  formed  from  any
       sequence  of 3 or more adjacent letters in the grid. The letters may join horizontally, vertically, or diagonally.  However, no position in
       the grid may be used more than once within any one word. In competitive play amongst humans, each player is given credit for those  of  his
       words which no other player has found.

       In  interactive play, enter your words separated by spaces, tabs, or newlines. A bell will ring when there is 2:00, 1:00, 0:10, 0:02, 0:01,
       and 0:00 time left. You may complete any word started before the expiration of time. You  can  surrender  before  time  is  up  by  hitting
       'break'. While entering words, your erase character is only effective within the current word and your line kill character is ignored.

       Advanced  players  may wish to invoke the program with 1 or 2 +'s as the first argument. The first + removes the restriction that positions
       can only be used once in each word. The second + causes a position to be considered adjacent to itself as well as its (up to) 8 neighbors.

4th Berkeley Distribution					   May 20, 1985 							 BOGGLE(6)
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