(转载)DTrace: command line parameters in scripting

DTrace: command line parameters in scripting

转载自：http://solaris.reys.net/english/archives/62-DTrace.html


When you're writing a DTrace script, often you'd like to pass some parameter in command line. Such an easy task might be really hard unless you read a docs.sun.com section about DTrace scripting, particularly a section about comman line parameters macros.

As with sh or bash, you can aclearcase/" target="_blank" >ccess command line parameters via .. macroses. But there's a catch. Values of these macroses should match a certain definition - a number, an identifier or a string. If there isn't a match here, you'll get an error.

Let's start with a simple script.