Tcl - [info vars ?pattern?] problem during unset trace

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Author

[info vars ?pattern?] problem during unset trace

neuronstorm@gmail.com

2005-10-25, 9:57 pm

The following script demonstrates an invalid result (empty string
element in list) from [info vars ?pattern?] during unset traces called
during [namespace delete].

----

namespace eval ::ref {}

set ::ref::var1 AAA
trace add variable ::ref::var1 {unset} [list doTrace]

set ::ref::var2 BBB
trace add variable ::ref::var2 {unset} [list doTrace]

proc doTrace {vtraced vidx op} {
puts stdout "'[info vars ::ref::*]'"
}

namespace delete ::ref

puts stdout "'[info vars ::ref::*]'"

----

Output on windows Tcl 8.5a4 is:

'::ref::var1 ::ref::var2'
'{} ::ref::var2'
''

Output on windows Tcl 8.4.5 is:
'::ref::var1 ::ref::var2'
'::ref::var2'
''

JMN

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