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authorJim Patterson2016-11-16 18:22:14 +0100
committerKarel Zak2016-12-02 13:53:03 +0100
commit01544c52f86166a4a5dc81835027e412580396b2 (patch)
treea154d85fb04a29e8c87bcafdbf96a539468c001e /term-utils/wall.1
parentlsns: Fix parser for /proc/<pid>/stat which is including space in comm (diff)
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wall: add --group option
The wall command on AIX supports a "-g" option to limit the message to a group of users by gid. Add compatibility to the Linux version. Thanks to Sami Kerola <kerolasa@iki.fi> for an initial skeleton implementation. [kzak@redhat.com: - rename max to ngroups - add free_group_workspace() - some cosmetic changes] Reference: http://www.ibm.com/support/knowledgecenter/ssw_aix_61/com.ibm.aix.cmds6/wall.htm Signed-off-by: Jim Patterson <jimp@wegrok.net> Signed-off-by: Karel Zak <kzak@redhat.com>
Diffstat (limited to 'term-utils/wall.1')
-rw-r--r--term-utils/wall.17
1 files changed, 7 insertions, 0 deletions
diff --git a/term-utils/wall.1 b/term-utils/wall.1
index 33cd35208..a7da1951e 100644
--- a/term-utils/wall.1
+++ b/term-utils/wall.1
@@ -39,6 +39,8 @@ wall \- write a message to all users
.RB [ \-n ]
.RB [ \-t
.IR timeout ]
+.RB [ \-g
+.IR group ]
.RI [ message " | " file ]
.SH DESCRIPTION
.B wall
@@ -68,6 +70,11 @@ This \fItimeout\fR must be a positive integer. The default value
is 300 seconds, which is a legacy from the time when people ran terminals over
modem lines.
.TP
+.BR \-g , " \-\-group " \fIgroup\fR
+Limit printing message to members of group defined as a
+.I group
+argument. The argument can be group name or gid.
+.TP
.BR \-V , " \-\-version"
Display version information and exit.
.TP