Find float in a text file

Posted by Werner on Stack Overflow See other posts from Stack Overflow or by Werner
Published on 2010-03-16T13:40:33Z Indexed on 2010/03/16 13:46 UTC
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Hi,

I am trying to find some float number (like -1234.5678) in a huge text file using grep, so I thought about:

grep -n '-1234.5678'

but I get errors, do you know what is the right way using grep and why? there is anything easier?

Thanks

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