Cisco 11503 Administration Guide - Page 275
Using the “! no echo” Comment
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Chapter 8 Using the CSS Scripting Language Using Commented Lines This is an example of a valid statement: ! Say hello echo "Hello" This is an example of an invalid statement: echo "Hello" ! Say hello Using the "! no echo" Comment To disable the echo command without the text "no echo" appearing in the script output, use the commented no echo command as the first line in any script. A script actually executes the commented command no echo. (If you are familiar with MS-DOS batch files, this command is similar to the @echo off DOS command.) For example, enter: ! no echo echo "Hello" The output is: Hello If you enter: ! Print Echo echo "Hello" The output is: echo "Hello"Hello This happens because the script tells the script engine to print the echo command to the screen. The result is that the script engine prints the echo command and its argument ("Hello") to the screen, followed by the output (Hello) of the command. This is usually not a desired result, so you typically start most scripts with the !no echo command as the first line. OL-5647-02 Cisco Content Services Switch Administration Guide 8-7