Abridged summary of comp.lang.tcl@googlegroups.com - 17 updates in 5 topics

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Abridged summary of comp.lang.tcl@googlegroups.com - 17 updates in 5 topics

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Alexandru <[hidden email]>: Jul 11 07:10PM -0700

Hi,
 
If I take the rule from the "if" manpage:
 
"The if command evaluates expr1 as an expression (in the same way that [expr] evaluates its argument) [...]"
 
Then I can do this:
...more
Rich <[hidden email]>: Jul 12 02:23AM


> if {[expr 3 $op 2]} {puts 1}
 
> it works like a charm.
 
> So, it looks like the manual is not completly correct.
 
No, the two statements are not semantically identical. You did not ...more
Alexandru <[hidden email]>: Jul 11 07:52PM -0700

Am Donnerstag, 12. Juli 2018 04:24:00 UTC+2 schrieb Rich:
> > potential exceptions are covered?
 
> The second operand to 'if' is an expression, but you were comparing
> apples to oranges so your ...more
Gerald Lester <[hidden email]>: Jul 11 10:35PM -0500

On 07/11/2018 09:52 PM, Alexandru wrote:
>> Alexandru <[hidden email]> wrote:
>>> ...
> Thanks for the clarification. I guess I'll never be so deep in understanding how Tcl handles ...more
Brad Lanam <[hidden email]>: Jul 11 10:08PM -0700

% set op >
 
% expr "3 $op 2"
1
%
 
In your braced expression, $op is never expanded, it is a literal string.
...more
Brad Lanam <[hidden email]>: Jul 11 10:15PM -0700

On Wednesday, July 11, 2018 at 10:08:44 PM UTC-7, Brad Lanam wrote:
> 1
> %
 
> In your braced expression, $op is never expanded, it is a literal string.
 
And...
 
% if {[expr {3 $op 2}]} { ...more
Alexandru <[hidden email]>: Jul 11 10:46PM -0700

Am Donnerstag, 12. Juli 2018 07:16:00 UTC+2 schrieb Brad Lanam:
> in expression "3 _@_$op 2"
> % if {[expr 3 $op 2]} { puts "yes" }
> yes
 
Yes... I get it now... No exception, just the normal ...more
Rich <[hidden email]>: Jul 12 11:04AM

> Besides, I was wondering if it would be an improvement for "expr" to
> also perform substitutions on the operators.
 
There is really no need, since for those, likely very few, times you ...more
Alexandru <[hidden email]>: Jul 12 08:31AM -0700

Am Donnerstag, 12. Juli 2018 13:04:52 UTC+2 schrieb Rich:
 
> % expr [subst -nocommands -nobackslashes {3 $op 2}]
> 1
> %
 
I wasn't aware of the existance of the command. Very usefull. ...more
Nicolas <[hidden email]>: Jul 12 12:09AM -0700

Hi everybody, Csaba,
 
I have a tablelist with several rows and ttk::combobox in each.
the tablellist is configured with -selecttype cell -selectmode extended -editselectedonly 1
...more
nemethi <[hidden email]>: Jul 12 01:05PM +0200

Am 12.07.2018 um 09:09 schrieb Nicolas:
 
> many thanks,
 
> allez les bleus :) (3-0)
 
> Nicolas
 
In the procedure defined as the value of the -editstartcommand option
set the -exportselection ...more
Nicolas <[hidden email]>: Jul 12 05:47AM -0700

Le jeudi 12 juillet 2018 13:05:34 UTC+2, nemethi a écrit :
> set the -exportselection option of the ttk::combobox to 0 (false).
 
> --
> Csaba Nemethi http://www.nemethi.de ...more
nemethi <[hidden email]>: Jul 12 04:31PM +0200

Am 12.07.2018 um 14:47 schrieb Nicolas:
> (sure it is, but does it mens I have a not nice binding somewhere?)
 
> ++
> Nicolas
 
The default bindings handle the <Button-1> event by first starting ...more
Nicolas <[hidden email]>: Jul 12 07:39AM -0700

Le jeudi 12 juillet 2018 16:31:55 UTC+2, nemethi a écrit :
> after 0 [list $tbl cellselection set $cellIdxList]
 
> --
> Csaba Nemethi http://www.nemethi.de mailto:[hidden email] ...more
[hidden email]: Jul 11 11:09PM -0700

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[hidden email]: Jul 11 11:08PM -0700

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[hidden email]: Jul 11 02:32PM -0700

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...more
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