Tool Command Language - lecture 4 (Decision making and branching )

1. if - else

The syntax of if-else in tcl is as.
if { statement 1 } {statement 2} else {statement 3}
example
set x 10
if { $x == 2 } {puts "hello } else { puts "bye" }
  will print bye
we can also write it like 
if { $x == 2 } {
puts "hello 
} else {
 puts "bye" 
 }