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#1
03-14-2010
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grep searching
I am making a script but having little problem. at one part I need to find one number format or other format from a file.. those formats are xxx-xx-xxxx or xxxxxxxxx i tried Code:
grep '( [0-9]\{3\}-[0-9]\{2\}-[0-9]\{3\} |[0-9]\{9\})'if i do them sepratly it work but like this it is not working Please check what the problem is with this code Thanks |
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#2
03-14-2010
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How about this... Code:
grep -E '[0-9]{3}-[0-9]{2}-[0-9]{3}|[0-9]{9}'-E(or just use egrep) which is for extended regular expression, read the man page for grep |
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#3
03-14-2010
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i tried but it's not working. when i use egrep or grep -E it does not return anything. The problem is like this. Code:
some command | some command | some command | grep -E '( [0-9]\{3\}-[0-9]\{2\}-[0-9]\{3\} |[0-9]\{9\})'This does not return anything but if i do separately then both works Code:
some command | some command | some command | grep '( [0-9]\{3\}-[0-9]\{2\}-[0-9]\{3\} 'Code:
some command | some command | some command | grep [0-9]\{9\})' |
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#4
03-14-2010
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Your system's grep doesn't support -E, please replace by egrep. Code:
some command | some command | some command | egrep '( [0-9]\{3\}-[0-9]\{2\}-[0-9]\{3\} |[0-9]\{9\})' |
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#5
03-15-2010
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it is not working either. can you check if the grouping is right or not. or is there any other comand which i can use to take out 2 particular format of number from a file
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#6
03-15-2010
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Do you try malcomex999's command? (They are different with yours.) Code:
grep -E '[0-9]{3}-[0-9]{2}-[0-9]{3}|[0-9]{9}'
egrep '[0-9]{3}-[0-9]{2}-[0-9]{3}|[0-9]{9}' |
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#7
03-15-2010
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Thank you for figuring that out...the problem was, I was using same [0-9]\{3\} but the way he use [0-9] {3} works fine.. thanks
Last edited by Learnerabc; 03-15-2010 at 12:12 AM.. Reason: misprint |
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