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--- linux:sed [2018/09/26 17:41] – created percy
+++ linux:sed [2018/09/26 17:57] – [delete the redundant empty lines] percy
@@ Line 14: / Line 14: @@
 Or
   gsed ":d;N;s/\n/,/g;bd"
+==== delete the redundant empty lines ====
+Refer
+  - http://kodango.com/sed-and-awk-notes-part-5
+  sed '/^$/{N;/^\n$/D}'