commit f069fab63c52aae63c74292f3ff010f9d25d2e33
from: mischa <git@high5.nl>
date: Tue Apr 16 07:45:50 2019 UTC

delete all lines N long, suggested by @ixc@bsd.network

commit - 8f839d09b1ce3498360c6ce0e686fce1c0f27404
commit + f069fab63c52aae63c74292f3ff010f9d25d2e33
blob - 76ff27f42df53bbabc07ae615d8ad3733a3b6364
blob + 9a3d54edb40a74e00f176579c59dc0741b8c0b95
--- index.md
+++ index.md
@@ -47,6 +47,14 @@ Helpful documents:
 
 	:%s/^.\{0,5\}//
 
+#### Delete all lines N (10) characters long
+
+	:g/^.\{10\}$/d
+
+#### Delete all lines _except_ N (10) characters long
+
+	:g!/^.\{10\}$/d
+
 #### Search and replace PATHs, using different delimiter
 
 	:%s#/usr/local/log#/var/log#g