Remove items from Dictionary

[bellecombe]

Hi
I need to remove some entries from dict, based on pattern i.e.:
[pre]set keyValueMap [dict create "WidgetTEXT" "T" "WidgetPASSWORD" "P" "defValuesDEFAULTS" "DEFAULT" "defValuesRDB" "R"]
set keyValueMap [dict remove $keyValueMap [join [dict keys $keyValueMap "Widget*"]]]
[/pre]
Although [tt][join [dict keys $keyValueMap "Widget*"][/tt] returns [tt]WidgetTEXT WidgetPASSWORD[/tt], this doesn't works;
instead when hard coded: [tt]set keyValueMap [dict remove $keyValueMap WidgetTEXT WidgetPASSWORD][/tt] works.
What is my mistake?

best regards

 

[xwb]

This is taken as a whole string

join [dict keys $keyValueMap "Widget*"]

It is like issuing

set keyValueMap [dict remove $keyValueMap "WidgetTEXT WidgetPASSWORD"]

The string needs to be split into its individual components using {*}

set keyValueMap [dict remove $keyValueMap {*}[join [dict keys $keyValueMap "Widget*"]]]

 

[bellecombe]

Tanks xwb, I wasn't aware of the expansion operator.
best regards

 

[xwb]

Actually, come to think of it, you don't really need the join. This will also work

set keyValueMap [dict remove $keyValueMap {*}[dict keys $keyValueMap "Widget*"]]

 

[bellecombe]

Thanks, I already tried it without the join and saw that it works.