'\" '\" Copyright (c) 1993 The Regents of the University of California. '\" Copyright (c) 1994-1996 Sun Microsystems, Inc. '\" '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" '\" SCCS: @(#) tell.n 1.8 96/02/15 20:02:42 '\" .so man.macros .TH tell n 7.5 Tcl "Tcl Built-In Commands" .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME tell \- Return current access position for an open channel .SH SYNOPSIS \fBtell \fIchannelId\fR .BE .SH DESCRIPTION .PP Returns a decimal string giving the current access position in \fIchannelId\fR. .VS The value returned is -1 for channels that do not support seeking. .VE .SH KEYWORDS access position, channel, seeking