Forum Discussion
correct syntax for boolean expressions
I experiencing errors with forming a simple boolean expression that would be valid in most "C like" languages ( if we added an equals sign = 😞
set var1 $var2 && !$var3
error: [wrong args][set ...
Kevin_Stewart
Employee
Employeeif { [expr { [expr { $var1 ne "" }] || [expr { $var2 ne "" }] } ] }
I don't believe null is a keyword in TCL, so the [info exists] syntax is probably a better option.