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file_util.go
1.06 KB
18fcd6d6b
merged with util ...
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1 |
package webutility |
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cacf57bd4
merging with /uti...
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import (
"bytes"
"io"
"io/ioutil"
"os"
"strings"
)
func ReadFileContent(path string) ([]byte, error) {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
buf := &bytes.Buffer{}
if _, err = io.Copy(buf, f); err != nil {
return nil, err
}
return buf.Bytes(), nil
}
// ReadFileLines ...
func ReadFileLines(path string) ([]string, error) {
f, err := os.Open(path)
if err != nil {
return nil, err
}
defer f.Close()
var s strings.Builder
if _, err = io.Copy(&s, f); err != nil {
return nil, err
}
lines := strings.Split(s.String(), "
")
for i := range lines {
lines[i] = strings.TrimRight(lines[i], "\r
")
}
return lines, nil
}
// LinesToFile ...
func LinesToFile(path string, lines []string) error {
content := ""
for _, l := range lines {
content += l + "
"
}
return ioutil.WriteFile(path, []byte(content), 0644) // drw-r--r--
}
// InsertLine ...
func InsertLine(lines *[]string, pos int64, l string) {
tail := append([]string{l}, (*lines)[pos:]...)
*lines = append((*lines)[:pos], tail...)
}
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