mattermost/server/cmd/mmctl/printer/util.go

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637 B
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// Copyright (c) 2015-present Mattermost, Inc. All Rights Reserved.
// See LICENSE.txt for license information.
package printer
import (
"bytes"
"errors"
"os"
"golang.org/x/term"
)
func checkInteractiveTerminal() error {
fileInfo, err := os.Stdout.Stat()
if err != nil {
return err
}
if (fileInfo.Mode() & os.ModeCharDevice) == 0 {
return errors.New("this is not an interactive shell")
}
return nil
}
func termHeight(file *os.File) (int, error) {
_, h, err := term.GetSize(int(file.Fd()))
if err != nil {
return -1, err
}
return h, nil
}
func lineCount(b []byte) int {
return bytes.Count(b, []byte{'\n'})
}