Provided by: tcl9.0-doc_9.0.1+dfsg-1_all 

NAME
fileevent - Execute a script when a channel becomes readable or writable
SYNOPSIS
fileevent channel readable ?script? fileevent channel writable ?script? ________________________________________________________________________________________________________________
DESCRIPTION
The fileevent command has been superceded by the chan event command which supports the same syntax and options.
SEE ALSO
chan(3tcl) Tcl 7.5 fileevent(3tcl)