add join template function

kelseyhightower · Dec 9, 2014 · 195e192 · 195e192
1 parent 30da29c
commit 195e192
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diff --git a/docs/templates.md b/docs/templates.md
@@ -161,6 +161,15 @@ dir: {{.}}
 {{end}}
 ```
 
+### join
+
+Alias for the strings.Join function.
+
+```
+{{$services := getvs "/services/elasticsearch/*"}}
+services: {{join $services ","}}
+```
+
 ## Example Usage  
 
 ```Bash

diff --git a/resource/template/template_funcs.go b/resource/template/template_funcs.go
@@ -15,6 +15,7 @@ func newFuncMap() map[string]interface{} {
 	m["jsonArray"] = UnmarshalJsonArray
 	m["dir"] = path.Dir
 	m["getenv"] = os.Getenv
+	m["join"] = strings.Join
 	return m
 }