53 lines
1.1 KiB
Go
53 lines
1.1 KiB
Go
package config
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import (
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"fmt"
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"os"
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"path/filepath"
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)
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func FileExists(path string) bool {
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if _, err := os.Stat(path); os.IsNotExist(err) {
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return false
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}
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return true
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}
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func ReadFile(path string) ([]byte, error) {
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var output []byte
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if !FileExists(path) {
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return []byte{}, fmt.Errorf("Unable to read file, file does not exist: %s", path)
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}
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output, err := os.ReadFile(path)
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if err != nil {
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return []byte{}, fmt.Errorf("Unable to read file, %v: %s", err, path)
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}
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return output, nil
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}
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func WriteFile(path string, data []byte) (int, error) {
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dir := filepath.Dir(path)
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if err := os.MkdirAll(dir, 0755); err != nil {
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return 0, fmt.Errorf("Unable to create parent directory, %v: %s", err, dir)
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}
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fh, err := os.Create(path)
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if err != nil {
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return 0, fmt.Errorf("Unable to open file for writing, %v: %s", err, path)
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}
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defer fh.Close()
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bs, err := fh.Write(data)
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if err != nil {
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return 0, fmt.Errorf("Unable to write file, %v: %s", err, path)
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}
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if err := fh.Sync(); err != nil {
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return 0, fmt.Errorf("Unable to sync file to disk, %v: %s", err, path)
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}
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return bs, nil
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}
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