diff options
| author | Robert Drehmel <robert@FreeBSD.org> | 2002-07-24 15:48:17 +0000 |
|---|---|---|
| committer | Robert Drehmel <robert@FreeBSD.org> | 2002-07-24 15:48:17 +0000 |
| commit | adf721d1cb2c49e20e79d43e8d1339d8348661df (patch) | |
| tree | f985be600741d9d74fa586f70396b6a23b183f96 /usr.bin/biff | |
| parent | eeb92518843ae67bfa76889db0cee7cfbd03cd82 (diff) | |
| download | src-test-adf721d1cb2c49e20e79d43e8d1339d8348661df.tar.gz src-test-adf721d1cb2c49e20e79d43e8d1339d8348661df.zip | |
Allow selection of the affected terminal using redirection
of standard input or standard output, like mesg(1) does.
Suggested by: sheldonh
Notes
Notes:
svn path=/head/; revision=100614
Diffstat (limited to 'usr.bin/biff')
| -rw-r--r-- | usr.bin/biff/biff.1 | 7 | ||||
| -rw-r--r-- | usr.bin/biff/biff.c | 4 |
2 files changed, 10 insertions, 1 deletions
diff --git a/usr.bin/biff/biff.1 b/usr.bin/biff/biff.1 index 49d711d668df4..4a5ca9c300160 100644 --- a/usr.bin/biff/biff.1 +++ b/usr.bin/biff/biff.1 @@ -47,6 +47,13 @@ The utility informs the system whether you want to be notified when mail arrives during the current terminal session. .Pp +Affected is the first terminal associated with the standard input, +standard output or standard error file descriptor, in that order. +Thus, it is possible to use the redirection facilities of a shell to +toggle the notification for other terminals than the one +.Nm +runs on. +.Pp The following options are available: .Bl -tag -width indent .It Cm n diff --git a/usr.bin/biff/biff.c b/usr.bin/biff/biff.c index 938914c58c13e..acfd10bda067a 100644 --- a/usr.bin/biff/biff.c +++ b/usr.bin/biff/biff.c @@ -74,7 +74,9 @@ main(argc, argv) argc -= optind; argv += optind; - if ((name = ttyname(STDERR_FILENO)) == NULL) + if ((name = ttyname(STDIN_FILENO)) == NULL && + (name = ttyname(STDOUT_FILENO)) == NULL && + (name = ttyname(STDERR_FILENO)) == NULL) err(2, "unknown tty"); if (stat(name, &sb)) |