Linux command
countmail 命令
文本
复制后可按需替换文件名、目录或参数。
常用示例
Count messages
countmail
Count messages in a specific
countmail [/var/mail/user]
Count messages in a Maildir
countmail [~/Maildir]
Show unread message count
countmail --unread
Display count for multiple
countmail [mailbox1] [mailbox2]
Output in machine-readable
countmail --quiet [mailbox]
说明
countmail is a simple utility for counting messages in mailboxes. It supports both traditional mbox format files and Maildir directories, automatically detecting the format when possible. The tool is useful for status bars, scripts, and notifications that need to display unread mail counts. It can process multiple mailboxes and output results suitable for parsing by other programs. countmail reads mailbox headers efficiently without loading entire messages, making it fast even for large mailboxes. It can distinguish between read and unread messages based on standard mail flags.
参数
- --unread
- Count only unread messages.
- --read
- Count only read messages.
- --quiet
- Output only the number, no labels.
- --mbox
- Treat the path as mbox format.
- --maildir
- Treat the path as Maildir format.
- -h, --help
- Display help information.
FAQ
What is the countmail command used for?
countmail is a simple utility for counting messages in mailboxes. It supports both traditional mbox format files and Maildir directories, automatically detecting the format when possible. The tool is useful for status bars, scripts, and notifications that need to display unread mail counts. It can process multiple mailboxes and output results suitable for parsing by other programs. countmail reads mailbox headers efficiently without loading entire messages, making it fast even for large mailboxes. It can distinguish between read and unread messages based on standard mail flags.
How do I run a basic countmail example?
Run `countmail` in a terminal, then adjust file names, paths, flags, or remote targets for your system.
What does --unread do in countmail?
Count only unread messages.