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Search multi lines in to multiple files

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# 1  
Old 07-03-2017
Search multi lines in to multiple files
how to find multiple lines in to multiple files if matched lines then do

f1 f2 f3 are files ,lines contain matched lines

Code:
f1

asdasdasdasd
asdasdasdasd
abc
def
Business date cannot be as of date
ghi
sdasdasdasda
asdasdasdada


f2

asdasdasdasdbkdnklmjlml 
asdasdasdasdbn  jnhkjhkjwef
abc
def
Cureent date cannt be match with business date
ghi
sdasdasdasda
asdasdasdada

f3


asdasdasdasdf kkl;l';
asdasdasdasd dfbgrhbbbbbbbbbbbbbbt
abc
def
Present date Shouldn't be match with business date
ghi
sdasdasdasda
asdasdasdada bijllk;kl;wef



lines

Business date cannot be as of date
Current date cant be match with business date
Present date Shouldn't be match with business date

# 2  
Old 07-03-2017
Could you simply concatenate the f files together and then reference that with grep?

Code:
cat f1 f2 f3 > /tmp/F
grep -f /tmp/F lines

If I've got this the wrong way round (and I may well have) it may be easier still:-
Code:
grep -f lines f1 f2 f3

... or
Code:
grep -f lines f[1-3]


I hope that these help,
Robin
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