Re: Events on Serial port

In article <yga7ic2vlxt.fsf@xxxxxxxxxxxxxxxxxxxxxxxx>,
Ralf Fassel <ralfixx@xxxxxx> wrote:
.
.
.
proc read_data {fd} {
if {[eof $fd]} {
close $fd
return
}
set bytes [read $fd]
.
.
.
Ralf, if I understand the situation correctly, this
is a slightly misleading, if functional, expression.
My point is this: it takes a [read] BEFORE [eof]
can trigger. To me, therefore, the most maintainable
code is more like

...
set bytes [read $fd]
if {[eof $fd]} {
...
.

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