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Grep Multiple Strings

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# 1  
Old 06-24-2009
Grep Multiple Strings
Hi,

Can any one pelase tell me how to grep multiple strings from multiple files in a singel folder?

grep -E "string1|string2|string3|string4|string..."

its taking lots of time..

can any please tell me fast grep???
URGENT
# 2  
Old 06-24-2009
If files are big and too many then it will take time..
you can try awk version
Code:
awk '/string1/||/string/||...{print}' filenames

# 3  
Old 06-24-2009
Hi,
There are multiple files,can we search in the folder or directory?

awk '/string1/||/string/||...{print}' filenames
# 4  
Old 06-24-2009
put * in place of filenames to search multiple files
# 5  
Old 06-24-2009
Yaa igot them,but iwant to take only one occurence for string.
# 6  
Old 06-24-2009
Quote:
Originally Posted by durgaprasad
Yaa igot them,but iwant to take only one occurence for string.
one occurence??
you mean exact match or only the first match??
# 7  
Old 06-24-2009
i have multiple records matching with the strings given,i want only 1 record matching.
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