Re: Getting timed output to display.

In article <ZPCuf.246730$0l5.198190@dukeread06>,
Gerald W. Lester <Gerald.Lester@xxxxxxx> wrote:
>Cactus Paul wrote:
>> newbe question, I thinks...
>>
>> I would like to display in a window the output of iostat and like commands
>> as each line comes in.
>> I don't seem to be able to. It seems to wait until the end of all output
>> and then displays.
>> Here's the code.
>>
>> #!/usr/sfw/bin/wish8.3 -f
>> #
>> button .iostat -text iostat -command {fill_view iostat}
>> text .text
>> pack .iostat .text
>> proc fill_view u_cmd {
>> .text delete 1.0 end
>> set f [open "|$u_cmd 5 5 " r]
>> for {gets $f line} {![eof $f]} {gets $f line} \
>> {.text insert end $line\n}
>> close $f
>> }
>>
>> Any help and the dufus would be greatful.
>
>Read the man/help page on fileevent.
>
>Also search wiki.tcl.tk for information.
>

There are platform specificities that make a precise answer
difficult. As a first experiment, though, change

.text insert end $line\n
to
.text insert end $line\n
update

Does that appear to bring you closer to what you want?
.