Getting a text file rid of all superfluous blank lines

Matthew Saltzman mjs at ces.clemson.edu
Wed Nov 30 13:20:59 UTC 2005


On Wed, 30 Nov 2005, Paul Howarth wrote:

> Paul Smith wrote:
>> On 11/30/05, Paul Howarth <paul at city-fan.org> wrote:
>> 
>>>> Taking a text file, how can one eliminate at once all superfluous blank 
>>>> lines?
>>> 
>>> What is your definition of a "superfluous blank line"? Is that all blank
>>> lines, or all consecutive blank lines where the number is more than one?
>>> 
>>> If it's the latter, you may find "more -s filename" to your liking.
>> 
>> 
>> Thanks, Paul. I mean "all consecutive blank lines where the number is
>> more than one". Furthermore, I mean how to delete those blank lines
>> from the file.
>
> $ more -s file > file.new
> $ mv file.new file
>
> Paul

Or better, "cat -s file > file.new" and avoid having to page through the 
file.

-- 
 		Matthew Saltzman

Clemson University Math Sciences
mjs AT clemson DOT edu
http://www.math.clemson.edu/~mjs




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