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// Package file contains functions for working with files and directories on the local filesystem
package file
import (
"fmt"
"io/fs"
"github.com/hairyhenderson/gomplate/v4/internal/datafs"
"github.com/hairyhenderson/gomplate/v4/internal/iohelpers"
osfs "github.com/hack-pad/hackpadfs/os"
)
// fsys for legacy functions - see deprecation notices
var fsys = datafs.WrapWdFS(osfs.NewFS())
// Read the contents of the referenced file, as a string.
//
// Deprecated: (as of 4.0.0) use [io/fs#ReadFile] instead
func Read(filename string) (string, error) {
bytes, err := fs.ReadFile(fsys, filename)
if err != nil {
err = fmt.Errorf("read failed for %s: %w", filename, err)
return "", err
}
return string(bytes), nil
}
// ReadDir gets a directory listing.
//
// Deprecated: (as of 4.0.0) use [io/fs#ReadDir] instead
func ReadDir(path string) ([]string, error) {
des, err := fs.ReadDir(fsys, path)
if err != nil {
return nil, err
}
names := make([]string, len(des))
for i, de := range des {
names[i] = de.Name()
}
return names, nil
}
// Write the given content to the file, truncating any existing file, and
// creating the directory structure leading up to it if necessary.
//
// Deprecated: (as of 4.0.0) use [os#WriteFile] instead
func Write(filename string, content []byte) error {
return iohelpers.WriteFile(fsys, filename, content)
}
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