Every three seconds, Example 3.17, “vfsreads-print-if-1kb.stp” prints out a list of all processes, along with how many times each process performed a VFS read. If the associated value of a process name is equal or greater than 1024, the if statement in the script converts and prints it out in kB.
Testing for Membership
You can also test whether a specific unique key is a member of an array. Further, membership in an array can be used in if statements, as in:
if([index_expression] in array_name) statement
To illustrate this, consider the following example: