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file.go
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file.go
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package util
import (
"bufio"
"fmt"
"os"
"strings"
)
// ResolveFilePath resolves the qualified path to file string f.
func ResolveFilePath(f string) (string, error) {
_, err := os.Stat(f)
if err == nil {
return f, nil
}
// if didn't stat a fully qualified file, strip user dir (if exists) and then check there
f = strings.TrimPrefix(f, "~/")
homeDir, err := os.UserHomeDir()
if err != nil {
return "", err
}
f = fmt.Sprintf("%s/%s", homeDir, f)
if _, err = os.Stat(f); err == nil {
return f, nil
}
return "", ErrFileNotFoundError
}
// LoadFileLines convenience function to load a file and return slice of strings of lines in that
// file.
func LoadFileLines(f string) ([]string, error) {
resolvedFile, err := ResolveFilePath(f)
if err != nil {
return []string{}, err
}
file, err := os.Open(resolvedFile) //nolint: gosec
if err != nil {
return []string{}, err
}
scanner := bufio.NewScanner(file)
scanner.Split(bufio.ScanLines)
var lines []string
for scanner.Scan() {
lines = append(lines, scanner.Text())
}
return lines, nil
}