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# 1  
Old 04-10-2013
Grep help
i need some advice on a the grep command.
see i have input.txt

Code:
keyword1
keyword2
etc

i want a batch script to perform the grep command for each keyword in the input.txt file and save result in output.txt

Code:
grep -c "keyword1" file.txt
grep -c "keyword2" file.txt
etc

Thanks
Sam

Moderator's Comments:
Mod Comment Use code tags, thanks.
Last edited by zaxxon; 04-10-2013 at 08:00 AM.. Reason: code tags
# 2  
Old 04-10-2013
Where is the problem? Gather all greps into a single command or the redirection to a file or add the number of hits into a single value or feed grep a file as input or ... ?

Code:
grep -cf input.txt file.txt > output.txt

?
# 3  
Old 04-10-2013
sorry guys.let me explain my requirement better.

input.txt is a million keywords
Code:
keyword1
keyword2
.
.
.
.

i want a grep -c "keyword1" file.txt for all keywords in input.txt and save 'number of occurences of each keyword in the file'

so output.txt will be
Code:
keyword1 334
keyword 3342
keyword 6644

Last edited by zaxxon; 04-10-2013 at 09:27 AM.. Reason: code tags
# 4  
Old 04-10-2013
Hey!!!

You have to find the occurence of keyword which is whole line then,

Try this,

Code:
sort input.txt|uniq -c

Cheers,
RangaSmilie
# 5  
Old 04-10-2013
sorry guys

i want a grep -c "keyword1" file.txt for all keywords in input.txt and save the results in output.txt

alright i am a newbie here.
Smilie
# 6  
Old 04-10-2013
Quote:
Originally Posted by castor0troy
sorry guys

i want a grep -c "keyword1" file.txt for all keywords in input.txt and save the results in output.txt

alright i am a newbie here.
Smilie
Just try with the above, May I know the ouput?

If you need exact suggestions, We need some sample lines of your real input file instead of mocked up.

Cheers,
Ranga Smilie
# 7  
Old 04-10-2013
Quote:
Originally Posted by rangarasan
Just try with the above, May I know the ouput?

If you need exact suggestions, We need some sample lines of your real input file instead of mocked up.

Cheers,
Ranga Smilie
thanks.
i dont want to sort the input.txt file.

samples files are below

input.txt is
Code:
aaa
bbb

file.txt is
Code:
aaa
aaa343343
bbb

i want to perform a grep -c command for each keyword in input.txt and save the resuts of grep in output.txt
Code:
grep -c "aaa" file.txt
grep -c "bbb" file.txt

output.txt is
Code:
aaa 2[means how many lines matches the given keyword 'aaa' in file.txt]
bbb 1

i can do this manually but the files have million keywords each.

sorry about this confusion guys.
hope you can help

---------- Post updated at 07:17 AM ---------- Previous update was at 06:52 AM ----------

ok guys i got the soln
thanks
Code:
grep -of input.txt file.txt|sort|uniq -c >output.txt

Last edited by zaxxon; 04-10-2013 at 09:27 AM.. Reason: code tags
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