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Add missing documentation for isFile function (#996)

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See https://github.com/helmfile/helmfile/commit/ed436ba68bd80057be99c20296c26dd4996b69dc

Signed-off-by: anessi <anessi@users.noreply.github.com>
Co-authored-by: anessi <anessi@users.noreply.github.com>
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anessi
2023-09-01 01:52:30 -05:00
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co-authored by anessi
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docs/templating_funcs.md
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@@ -32,6 +32,13 @@ The `envExec` function allows you to run a command with environment variables de
{{ $cmdOutpot := envExec (dict "envKey" "envValue") "./mycmd" (list "arg1" "arg2" "--flag1") }}
```
#### `isFile`
The `isFile` function allows you to check if a file exists. On failure, the template rendering will fail with an error message.
```yaml
{{ if isFile "./myfile" }}
```
#### `readFile`
The `readFile` function allows you to read a file and return its content as the function output. On failure, the template rendering will fail with an error message.