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docs: Add doc and a test for readDir

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Fixes #2009
This commit is contained in:
Bjørn Erik Pedersen 2016-03-31 23:16:42 +02:00
parent 7bf0d43ba8
commit 07e9963f66
1 changed files with 9 additions and 0 deletions
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content/templates/functions.md
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@ -337,6 +337,15 @@ e.g.
{{ end }} {{ end }}
## Files ## Files
### readDir
Gets a directory listing from a directory relative to the current project working dir.
So, If the project working dir has a single file named `README.txt`:
`{{ range (readDir ".") }}{{ .Name }}{{ end }}` → "README.txt"
### readFile ### readFile
Reads a file from disk and converts it into a string. Note that the filename must be relative to the current project working dir. Reads a file from disk and converts it into a string. Note that the filename must be relative to the current project working dir.
So, if you have a file with the name `README.txt` in the root of your project with the content `Hugo Rocks!`: So, if you have a file with the name `README.txt` in the root of your project with the content `Hugo Rocks!`: