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09-21-2006
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How to remove all lines with something other than numbers
Hi,
How would I get rid of lines having something else than numbers (such as tabs,white space, special characters, empty line, letters). So I have big file with numers as follows: 12345678901 23456789012 32343678901 42345638901 52345678901 and I sometimes the file might contain some stuff not belonging there. So if someone could help me with some nice one-liner to remove all lines that does not follow the format I want: 11 numbers and nothing else. Thanks, //Juha |
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