Levi Bard wrote:
>>I need to rid a numeric file of all lines that contain non-numeric
>>characters ie [0-9]. In other words I only want numbers in that file.
>>I think I recall seeing a sed statement that deleted anything except
>>0-9. I just don't recall the systax.
>>I have tried the ! thinking it would do the trick but it does not.
>>Can anyone help me with this?
>>
>>
>
>grep -v '[0-9]' file
>
>
No, that will give all of the lines that do contain numbers (but the
output will include the non-numeric characters. Try:
sed "s/[^0-9]//g" filename
--ronan
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