add new one-liner to 'awk' section

- signed-off-by: trimstray <trimstray@gmail.com>
2019-05-13 13:21:39 +02:00 · 2019-05-13 13:21:39 +02:00 · 46e0cedff6
commit 46e0cedff6
parent fb158ea7db
1 changed files with 9 additions and 0 deletions
--- a/README.md
+++ b/README.md
@ -3259,6 +3259,15 @@ awk '!x[$0]++' filename
 awk '{print $NF}' filename
 ```

+###### Remove empty lines
+
+```bash
+awk 'NF > 0' filename
+
+# alternative:
+awk NF filename
+```
+
 ###### Print multiple columns with separators

 ```bash