From 2b2aadc279b46d8c8de5b6d3d97d333d29459d36 Mon Sep 17 00:00:00 2001
From: Knut Ahlers <knut@ahlers.me>
Date: Fri, 10 Dec 2021 17:54:28 +0100
Subject: [PATCH] Add urlescape function

Signed-off-by: Knut Ahlers <knut@ahlers.me>
---
 README.md                   | 6 ++++++
 functions/func_urlescape.go | 7 +++++++
 2 files changed, 13 insertions(+)
 create mode 100644 functions/func_urlescape.go

diff --git a/README.md b/README.md
index 80aa13a..2f7484c 100644
--- a/README.md
+++ b/README.md
@@ -67,6 +67,12 @@
   $ echo '{{ tplexec (file "my.tpl") }}' | korvike
   bar
   ```
+- `{{ urlescape <input string> }}`  
+  Do an URL escape to use the input string inside an query parameter in an URL
+  ```console
+  $ echo '{{ urlescape "Hellö Wörld@Golang" }}' | korvike 
+  Hell%C3%B6+W%C3%B6rld%40Golang
+  ```
 - `{{ vault <path> <key> [default value] }}`  
   Read a key from Vault using `VAULT_ADDR` and `VAULT_TOKEN` environment variables (or `~/.vault-token` file) for authentication.
   ```console
diff --git a/functions/func_urlescape.go b/functions/func_urlescape.go
new file mode 100644
index 0000000..5d8681d
--- /dev/null
+++ b/functions/func_urlescape.go
@@ -0,0 +1,7 @@
+package functions
+
+import "net/url"
+
+func init() {
+	registerFunction("urlescape", url.QueryEscape)
+}