fileevent — Execute a script when a channel becomes readable or writable
fileevent channel readable ?script?
fileevent channel writable ?script?
The fileevent command has been superceded by the chan event
command which supports the same syntax and options.
chan
Copyright © 1994 The Regents of the University of California.
Copyright © 1994-1996 Sun Microsystems, Inc.
Copyright © 2008 Pat Thoyts