Print all lines in a file that are not a certain length

awk 'length($0)!=12 {print}' your_file_name
Alternatively, print all the lines that are a certain length: awk 'length($0)==12 {print}' your_file_name

1
2009-02-05 14:27:52
awk

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awk 'length != 12 {print}' your_file_name
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What do you think?

Any thoughts on this command? Does it work on your machine? Can you do the same thing with only 14 characters?

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