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| | COMMENT(!MOD!zsh/watch
Reporting of login and logout events.
!MOD!)
The tt(zsh/watch) module can be used to report when specific users log in or
out. This is controlled via the following parameters.
startitem()
vindex(LOGCHECK)
item(tt(LOGCHECK))(
The interval in seconds between checks for login/logout activity
using the tt(watch) parameter.
)
vindex(watch)
vindex(WATCH)
item(tt(watch) <S> <Z> (tt(WATCH) <S>))(
An array (colon-separated list) of login/logout events to report.
If it contains the single word `tt(all)', then all login/logout events
are reported. If it contains the single word `tt(notme)', then all
events are reported as with `tt(all)' except tt($USERNAME).
An entry in this list may consist of a username,
an `tt(@)' followed by a remote hostname,
and a `tt(%)' followed by a line (tty). Any of these may
be a pattern (be sure to quote this during the assignment to
tt(watch) so that it does not immediately perform file generation);
the setting of the tt(EXTENDED_GLOB) option is respected.
Any or all of these components may be present in an entry;
if a login/logout event matches all of them,
it is reported.
For example, with the tt(EXTENDED_GLOB) option set, the following:
example(watch=('^(pws|barts)'))
causes reports for activity associated with any user other than tt(pws)
or tt(barts).
)
vindex(WATCHFMT)
item(tt(WATCHFMT))(
The format of login/logout reports if the tt(watch) parameter is set.
Default is `tt(%n has %a %l from %m)'.
Recognizes the following escape sequences:
startitem()
item(tt(%n))(
The name of the user that logged in/out.
)
item(tt(%a))(
The observed action, i.e. "logged on" or "logged off".
)
item(tt(%l))(
The line (tty) the user is logged in on.
)
item(tt(%M))(
The full hostname of the remote host.
)
item(tt(%m))(
The hostname up to the first `tt(.)'. If only the
IP address is available or the utmp field contains
the name of an X-windows display, the whole name is printed.
em(NOTE:)
The `tt(%m)' and `tt(%M)' escapes will work only if there is a host name
field in the utmp on your machine. Otherwise they are
treated as ordinary strings.
)
item(tt(%S) LPAR()tt(%s)RPAR())(
Start (stop) standout mode.
)
item(tt(%U) LPAR()tt(%u)RPAR())(
Start (stop) underline mode.
)
item(tt(%B) LPAR()tt(%b)RPAR())(
Start (stop) boldface mode.
)
xitem(tt(%t))
item(tt(%@))(
The time, in 12-hour, am/pm format.
)
item(tt(%T))(
The time, in 24-hour format.
)
item(tt(%w))(
The date in `var(day)tt(-)var(dd)' format.
)
item(tt(%W))(
The date in `var(mm)tt(/)var(dd)tt(/)var(yy)' format.
)
item(tt(%D))(
The date in `var(yy)tt(-)var(mm)tt(-)var(dd)' format.
)
item(tt(%D{)var(string)tt(}))(
The date formatted as var(string) using the tt(strftime) function, with
zsh extensions as described by
ifzman(EXPANSION OF PROMPT SEQUENCES in zmanref(zshmisc))\
ifnzman(noderef(Prompt Expansion)).
)
item(tt(%LPAR())var(x)tt(:)var(true-text)tt(:)var(false-text)tt(RPAR()))(
Specifies a ternary expression.
The character following the var(x) is
arbitrary; the same character is used to separate the text
for the "true" result from that for the "false" result.
Both the separator and the right parenthesis may be escaped
with a backslash.
Ternary expressions may be nested.
The test character var(x) may be any one of `tt(l)', `tt(n)', `tt(m)'
or `tt(M)', which indicate a `true' result if the corresponding
escape sequence would return a non-empty value; or it may be `tt(a)',
which indicates a `true' result if the watched user has logged in,
or `false' if he has logged out.
Other characters evaluate to neither true nor false; the entire
expression is omitted in this case.
If the result is `true', then the var(true-text)
is formatted according to the rules above and printed,
and the var(false-text) is skipped.
If `false', the var(true-text) is skipped and the var(false-text)
is formatted and printed.
Either or both of the branches may be empty, but
both separators must be present in any case.
)
enditem()
)
enditem()
Furthermore, the tt(zsh/watch) module makes available one builtin
command:
startitem()
findex(log)
vindex(watch, use of)
cindex(watching users)
cindex(users, watching)
item(tt(log))(
List all users currently logged in who are affected by
the current setting of the tt(watch) parameter.
)
enditem()
|