Tcl >> Tcl Built-In Commands >> Control Constructs

Tcl >> Tcl Built-In Commands >> Control Constructs


Control Constructs
after - Execute a command after a time delay
break - Abort looping command
catch - Evaluate script and trap exceptional returns
continue - Skip to the next iteration of a loop
error - Generate an error
eval - Evaluate a Tcl script
for - 'For' loop
foreach - Iterate over all elements in one or more lists
if - Execute scripts conditionally
return - Return from a procedure, or set return code of a script
switch - Evaluate one of several scripts, depending on a given value
update - Process pending events and idle callbacks
uplevel - Execute a script in a different stack frame
vwait - Process events until a variable is written
while - Execute script repeatedly as long as a condition is met

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