[Info-vax] Removing blank lines from text files

[Craig A. Berry]

On 6/15/19 4:46 PM, Bill Gunshannon wrote:

> This and other examples will all fail based on the fact that
> the original problem includes lines that although appearing
> blank may in fact contain space characters.
> 
> I can think of no simple solution but the problem can be
> handled by any of a number of programming languages if
> one is willing to invest the time.

There is a very simple solution and I've already posted it. Use any
language that supports regular expressions and print only lines that
match at least one non-whitespace character. In case you weren't paying
attention as usual, this is one extremely simple solution (again):

$ perl -i -ne "print if /\S/" temp.txt