xowiki::randomized_index (public)

 xowiki::randomized_index [ -seed seed ] length

Defined in packages/xowiki/tcl/xowiki-utility-procs.tcl

Return a single randomized value between 0 and length-1.

Switches:

-seed (optional)

Parameters:

length (required)

Partial Call Graph (max 5 caller/called nodes):

Testcases:

api_randomized

Source code:

    # In case, the seed is specified, set the seed to this value to
    # achieve e.g. a stable bat random order for a user.
    #
    if {[info exists seed]} {
      expr {srand($seed)}
    }
    return [expr {int(($length-1) * rand())}]

XQL Not present:

Generic, PostgreSQL, Oracle