seperating records with numbers from a set of numbers

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# 1  
Old 11-25-2008
seperating records with numbers from a set of numbers

I have two files one (numbers file)contains the numbers(approximately 30000) and the other file(record file) contains the records(approximately 40000)which may or may not contain the numbers from that file.

I want to seperate the records which has the field 1=(any of the number from numbers file). Can you please suggest how it can be achieved without having performance issues.

# 2  
Old 11-25-2008
Can you post sample data from both the files , we can try something using AWKand FOR loop.
# 3  
Old 11-25-2008
The sample numbers are
and sample recors are nothing but the records with comma seperated fields wherein we have to search these numbers in first comma seperated field
# 4  
Old 11-25-2008
$> cat data.dat

$> cat numbers.dat

for i in `cat numbers.dat`
cat data.dat|awk -F"," '{if($1==number) print $0}' number="$i"

# 5  
Old 11-25-2008
"number" is a variable in AWK which is initialised to shell variable "i" .
# 6  
Old 11-25-2008
Thanks a lot this is what i needed will try this code block
# 7  
Old 11-25-2008
Can you please let me know how can i redirect it to some different file.
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