====== AWK - Delete all blank lines from a file ======

<code bash>
awk NF file.txt
</code>

----

<code bash>
awk '/./' file.txt
</code>

----

===== Example =====

Assuming a file, **file.txt**, exists with the following contents:

<file bash file.txt>
aaaaa
bbbbb

ccccc



ddddd

eeeee
</file>

returns:

<code bash>
aaaaa
bbbbb
ccccc
ddddd
eeeee
</code>