Scripts

Tcl Command:

• One or more words separated by white space.
• First word is command name, others are arguments.
• Returns a string result.

Tcl Script:

• A Tcl script is a sequence of commands.
• Commands are separated by newlines and/or semicolons.

Examples:

    set a 22; set b 33
    set a 22
    set b 33
    expr $a*($b+5)