Find EXACT word in files, just the word: no prefix, no suffix, no 'similar', just the word
I have a file that has the words I want to find in other files (but lets say I just want to find my words in a single file). Those words are IDs, so if my word is ZZZ4, outputs like aaZZZ4, ZZZ4bb, aaZZZ4bb, ZZ4, ZZZ, ZyZ4, ZZZ4.8 (or anything like that) WON'T BE USEFUL.
I need the whole word (and the line where it is), but the exact word, nothing more and nothing less. The only thing that could be useful would be (ZZZ).
Of course, I need THE ENTIRE output line, so using grep -o, would not be useful either.
I've tried so many things. Nothing had worked fine.
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ok, lets say that my file that has the IDs is called 'Id', i've tried:
Code:
grep -wf Id file >> outputFile
If my first Id was 'Sun', the previous line gives me outputs like 'Sunny' (it also gives me 'Sun' as an output, that's ok). NOT GOOD!
I've tried several grep options. I've tried fgrep. Not good. I've tried agrep, and it's not good because it is approximate, so if I were looking for 'Sunny', agrep could throw 'Suny' as an output.
The things I've not tried much are things that involve regular expressions (too scared). Anyway, if I was trying to use regular expressions, how could I do that if the words I am searching are in a file called Id?
Greetings.
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Discussion started by: jypark22
6 Replies
LEARN ABOUT MINIX
grep
GREP(1) General Commands Manual GREP(1)NAME
grep - search a file for lines containing a given pattern
SYNOPSIS
grep [-elnsv] pattern [file] ...
OPTIONS -e-e pattern is the same as pattern
-c Print a count of lines matched
-i Ignore case
-l Print file names, no lines
-n Print line numbers
-s Status only, no printed output
-v Select lines that do not match
EXAMPLES
grep mouse file # Find lines in file containing mouse
grep [0-9] file # Print lines containing a digit
DESCRIPTION
Grep searches one or more files (by default, stdin) and selects out all the lines that match the pattern. All the regular expressions
accepted by ed and mined are allowed. In addition, + can be used instead of * to mean 1 or more occurrences, ? can be used to mean 0 or 1
occurrences, and | can be used between two regular expressions to mean either one of them. Parentheses can be used for grouping. If a
match is found, exit status 0 is returned. If no match is found, exit status 1 is returned. If an error is detected, exit status 2 is
returned.
SEE ALSO cgrep(1), fgrep(1), sed(1), awk(9).
GREP(1)
03-27-2012
Find EXACT word in files, just the word: no prefix, no suffix, no 'similar', just the word
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