RE's and grep

[nullpointer at pobox.com (Dan Barrett)]

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On Tuesday 02 September 2003 15:35, Derek Martin wrote:
> If the file contains more than one word per line (such as a dictionary
> with definitions), this won't work.  It can still be done, but you'd
> need a lot more logic.  AFAIK, there's no way to do that with a single
> regular expression, or even a simple pipeline.


In this case, I'd use sed to change the whitespaces into newlines:

cat file_with_multiple_words_per_line | sed -e 's/ /\n/g' | <grep exp>
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=bi1h
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