freebsd-dev/usr.bin/from/from.1

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.\"	@(#)from.1	8.2 (Berkeley) 12/30/93
.\" $FreeBSD$
.\"
.Dd December 30, 1993
.Dt FROM 1
.Os
.Sh NAME
.Nm from
.Nd print names of those who have sent mail
.Sh SYNOPSIS
.Nm
.Op Fl c
.Op Fl s Ar sender
.Op Fl f Ar file
.Op Ar user
.Sh DESCRIPTION
.Nm From
prints
out the mail header lines from the invoker's mailbox.
.Pp
Options:
.Bl -tag -width Fl
.It Fl c
Just print a count of messages and exit.
.It Fl f Ar file
The supplied file
is examined instead of the invoker's mailbox.
If the
.Fl f
option is used, the
.Ar user
argument should not be used.
Read from standard input if file name
.Ar -
is given.
.It Fl s Ar sender
Only mail from addresses containing
the
supplied string are printed.
.El
.Pp
If
.Ar user
is given, the
.Ar user Ns 's
mailbox, is examined instead of the invoker's own mailbox.
(Privileges are required.)
.Sh ENVIRONMENT
.Bl -tag -width Fl
.It Ev MAIL
If set, the location of the invoker's mailbox.  Otherwise, the default
in /var/mail is used.
.El
.Sh FILES
.Bl -tag -width /var/mail/* -compact
.It Pa /var/mail/*
.El
.Sh SEE ALSO
.Xr biff 1 ,
.Xr mail 1
.Sh HISTORY
The
.Nm
command appeared in
.Bx 3.0 .