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frm -- List headers from a mailbox.

The `frm' command outputs a header information of the selected messages in a mailbox. By default, `frm' reads the user's system mailbox and outputs the contents of From and Subject headers for each message. If a folder is specified in the command line, the program reads that folder rather than the default mailbox.

The following command line options alter the behavior of the program:

`-h'

`--help'

Display short help message and exit.

`-f STRING'

`--field STRING'

Display the header named by STRING instead of From Subject pair.

`-l'

`--to'

Include the contents of To header to the output. The output field order is then: To From Subject.

`-n'

`--number'

Prefix each line with corresponding message number.

`-Q'

`--Quiet'

Be very quiet. Nothing is output except error messages. This is useful in shell scripts where only the return status of the program is important.

`-q'

`--query'

Print a message only if there are unread messages in the mailbox.

`-S'

`--summary'

Print a summary line.

`-s ATTR'

`--status ATTR'

Only display headers from messages with the given status. ATTR may be one of the following: `new', `read', `unread'. It is sufficient to specify only first letter of an ATTR. Multiple `-s' options are allowed.

`-t'

`--align'

Tidy mode. Currently is not implemented. Included for compatibility with `frm' program from Elm package.

`-v'

`--version'

Display version information and exit

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