Tail input plugin

plugins/inputs/filestat/filestat.go

@@ -14,8 +14,14 @@ import (
 const sampleConfig = `
   ## Files to gather stats about.
   ## These accept standard unix glob matching rules, but with the addition of
-  ## ** as a "super asterisk". See https://github.com/gobwas/glob.
-  files = ["/etc/telegraf/telegraf.conf", "/var/log/**.log"]
+  ## ** as a "super asterisk". ie:
+  ##   "/var/log/**.log"  -> recursively find all .log files in /var/log
+  ##   "/var/log/*/*.log" -> find all .log files with a parent dir in /var/log
+  ##   "/var/log/apache.log" -> just tail the apache log file
+  ##
+  ## See https://github.com/gobwas/glob for more examples
+  ##
+  files = ["/var/log/**.log"]
   ## If true, read the entire file and calculate an md5 checksum.
   md5 = false
 `