打印变量的值

Created: November-22, 2018

为了打印变量的值，如：

set tempVar "This is a string."

puts 语句中的参数前面有一个 $ 符号，它告诉 Tcl 使用变量的值。

% set tempVar "This is a string."
This is a string.
% puts $tempVar
This is a string.