05-13-2002
awk / sed
Thanks for the help. That will work for some of our errors. Unfortunately not all of our errors have "ERROR:-", only the ones generated by our team's maintenance scripts. Some errors are generated by our dataserver and can come out in many different formats.
Is there any way to ask for everything before an alpha to be removed? As no matter how the error comes out there is only the time stamp proceeding the error message.
eg: 00:00000:00002:2002/04/30 21:52:32.27 error
Thanks again
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LEARN ABOUT MOJAVE
bgerror
bgerror(n) Tcl Built-In Commands bgerror(n)
__________________________________________________________________________________________________________________________________________________
NAME
bgerror - Command invoked to process background errors
SYNOPSIS
bgerror message
_________________________________________________________________
DESCRIPTION
Release 8.5 of Tcl supports the interp bgerror command, which allows applications to register in an interpreter the command that will han- |
dle background errors in that interpreter. In older releases of Tcl, this level of control was not available, and applications could con- |
trol the handling of background errors only by creating a command with the particular command name bgerror in the global namespace of an |
interpreter. The following documentation describes the interface requirements of the bgerror command an application might define to retain |
compatibility with pre-8.5 releases of Tcl. Applications intending to support only Tcl releases 8.5 and later should simply make use of |
interp bgerror.
The bgerror command does not exist as built-in part of Tcl. Instead, individual applications or users can define a bgerror command (e.g.
as a Tcl procedure) if they wish to handle background errors.
A background error is one that occurs in an event handler or some other command that did not originate with the application. For example,
if an error occurs while executing a command specified with the after command, then it is a background error. For a non-background error,
the error can simply be returned up through nested Tcl command evaluations until it reaches the top-level code in the application; then the
application can report the error in whatever way it wishes. When a background error occurs, the unwinding ends in the Tcl library and
there is no obvious way for Tcl to report the error.
When Tcl detects a background error, it saves information about the error and invokes a handler command registered by interp bgerror later
as an idle event handler. The default handler command in turn calls the bgerror command . Before invoking bgerror, Tcl restores the
errorInfo and errorCode variables to their values at the time the error occurred, then it invokes bgerror with the error message as its
only argument. Tcl assumes that the application has implemented the bgerror command, and that the command will report the error in a way
that makes sense for the application. Tcl will ignore any result returned by the bgerror command as long as no error is generated.
If another Tcl error occurs within the bgerror command (for example, because no bgerror command has been defined) then Tcl reports the
error itself by writing a message to stderr.
If several background errors accumulate before bgerror is invoked to process them, bgerror will be invoked once for each error, in the
order they occurred. However, if bgerror returns with a break exception, then any remaining errors are skipped without calling bgerror.
If you are writing code that will be used by others as part of a package or other kind of library, consider avoiding bgerror. The reason
for this is that the application programmer may also want to define a bgerror, or use other code that does and thus will have trouble inte-
grating your code.
EXAMPLE
This bgerror procedure appends errors to a file, with a timestamp.
proc bgerror {message} {
set timestamp [clock format [clock seconds]]
set fl [open mylog.txt {WRONLY CREAT APPEND}]
puts $fl "$timestamp: bgerror in $::argv '$message'"
close $fl
}
SEE ALSO
after(n), interp(n), tclvars(n)
KEYWORDS
background error, reporting
Tcl 7.5 bgerror(n)