Changes between Version 3 and Version 4 of rrdtool

Timestamp:

02/01/22 02:07:57 (3 years ago)

Author:

krit

Comment:

--

rrdtool

@@ -13 +13 @@
 Wed 18 Aug 2021 10:00:00 PM +07
 }}}
+
+Convert date from epoch time to human readable format
+{{{
+#!sh
+OMD[monitor@501264b41d2d]:~/var/log$ awk -F"[][]" '{cmd="date -d@" $2;cmd |getline $2; close(cmd)}1' naemon.log 
+}}}
+Here we set a shell command date -d@$2 to a variable called cmd. Then with cmd |getline $2 the awk reads a line and pass second field value to the cmd we open it, then we need close the command we opened via pipe, so we used close(cmd)