TCL之puts

1　　Tcl commands

The basic syntax is

command arg1 arg2 arg3 ...

2　　UNIX Tcl scripts

Example 2.1　　puts - writes the string to I/O steam

　　　　　　　　 set - assign a value to a variable

#!/usr/local/bin/tclsh
puts stdout {Hello World!}set var 6set a $car

Example 2.2　　button

#!/usr/local/bin/wish
button .hello -text Hello -command {puts "Hello World"}
pack .hello -padx 10 pady 10