/
file.go
69 lines (60 loc) · 1.24 KB
/
file.go
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package utils
import (
"bufio"
"errors"
"os"
"strings"
)
func File_put_contents(filename string, text string) {
f, err := os.OpenFile(filename, os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
panic(err)
}
f.WriteString(text)
f.Close()
}
func File_append_contents(filename string, text string) {
f, err := os.OpenFile(filename, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0644)
if err != nil {
panic(err)
}
f.WriteString(text)
f.Close()
}
func Fs_exists(filename string) bool {
if _, err := os.Stat(filename); os.IsNotExist(err) {
return false
}
return true
}
func File_get_lines(path string) ([]string, error) {
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
var lines []string
scanner := bufio.NewScanner(file)
for scanner.Scan() {
lines = append(lines, scanner.Text())
}
return lines, scanner.Err()
}
func FindLine(filename string, tofind string) (string, error) {
file, err := os.Open(filename)
if err != nil {
return "", err
}
defer file.Close()
scanner := bufio.NewScanner(file)
for scanner.Scan() {
text := scanner.Text()
if strings.Contains(text, tofind) {
return text, nil
}
}
if err := scanner.Err(); err != nil {
return "", err
}
return "", errors.New("Nothnig found")
}