trace(3tcl) Tcl Built-In Commands trace(3tcl) ______________________________________________________________________________ NAME trace - SYNOPSIS trace option ?arg arg ...? ______________________________________________________________________________ DESCRIPTION Tcl option () (): trace variable name ops command command name ops Name (name ) name command namespace which info exists Ops : r command w command u command unset () command : command name1 name2 op Name1 name2 : name1 name2 name1 name2 name1 name2 Name1 name2 trace variable : upvar Op rw u Command : Tcl command command () upvar uplevel name1 upvar command command command () command command command command command () command : : trace vdelete trace vdelete name ops command name ops command command trace vinfo name name ops command name KEYWORDS read, variable, write, trace, unset [] [] 2001/11/21 Linux man : http://cmpp.linuxforum.net man man https://github.com/man-pages-zh/manpages- zh Tcl trace(3tcl)