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Manpages tellSection: Tcl Built-In Commands (n)Updated: 8.1 Index Return to Main Contents NAMEtell - Return current access position for an open channelSYNOPSIStell channelIdDESCRIPTIONReturns an integer string giving the current access position in channelId. This value returned is a byte offset that can be passed to seek in order to set the channel to a particular position. Note that this value is in terms of bytes, not characters like read. The value returned is -1 for channels that do not support seeking. SEE ALSOfile(n), open(n), close(n), gets(n), seek(n)KEYWORDSaccess position, channel, seeking
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