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-'\"
-'\" 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.
-'\" 
-.TH gets n 7.5 Tcl "Tcl Built-In Commands"
-.so man.macros
-.BS
-'\" Note:  do not modify the .SH NAME line immediately below!
-.SH NAME
-gets \- Read a line from a channel
-.SH SYNOPSIS
-\fBgets \fIchannelId\fR ?\fIvarName\fR?
-.BE
-
-.SH DESCRIPTION
-.PP
-This command reads the next line from \fIchannelId\fR, returns everything
-in the line up to (but not including) the end-of-line character(s), and
-discards the end-of-line character(s).
-.PP
-\fIChannelId\fR must be an identifier for an open channel such as the
-Tcl standard input channel (\fBstdin\fR), the return value from an
-invocation of \fBopen\fR or \fBsocket\fR, or the result of a channel
-creation command provided by a Tcl extension. The channel must have
-been opened for input.
-.PP
-If \fIvarName\fR is omitted the line is returned as the result of the
-command.
-If \fIvarName\fR is specified then the line is placed in the variable by
-that name and the return value is a count of the number of characters
-returned.
-.PP
-If end of file occurs while scanning for an end of
-line, the command returns whatever input is available up to the end of file.
-If \fIchannelId\fR is in non-blocking mode and there is not a full
-line of input available, the command returns an empty string and
-does not consume any input.
-If \fIvarName\fR is specified and an empty string is returned in
-\fIvarName\fR because of end-of-file or because of insufficient
-data in non-blocking mode, then the return count is -1.
-Note that if \fIvarName\fR is not specified then the end-of-file
-and no-full-line-available cases can
-produce the same results as if there were an input line consisting
-only of the end-of-line character(s).
-The \fBeof\fR and \fBfblocked\fR commands can be used to distinguish
-these three cases.
-.SH "EXAMPLE"
-This example reads a file one line at a time and prints it out with
-the current line number attached to the start of each line.
-.PP
-.CS
-set chan [open "some.file.txt"]
-set lineNumber 0
-while {[\fBgets\fR $chan line] >= 0} {
-    puts "[incr lineNumber]: $line"
-}
-close $chan
-.CE
-
-.SH "SEE ALSO"
-file(n), eof(n), fblocked(n), Tcl_StandardChannels(3)
-
-.SH KEYWORDS
-blocking, channel, end of file, end of line, line, non-blocking, read
-'\" Local Variables:
-'\" mode: nroff
-'\" fill-column: 78
-'\" End: