On Wed, Dec 05, 2018 at 07:03:53PM -0600, Jacob Bachmeyer wrote: > Older versions of Tcl may have required this use of [string match], > but modern Tcl allows the much simpler "==" operator. According to > time(n), "==" is also slightly faster in "if" expressions in > addition to being more robust against "odd" inputs.
On the contrary, using '==' is very problematic because it treats the
strings as numerial arguments. Consider:
% set str 0x10
0x10
% if {$str == "16"} { puts yes }
yes
Furthermore, you shuld use 'string equals' for literals as 'string
match' permits patterns.
Cheers,
Ben
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