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Diffstat (limited to 'doc/gets.n')
-rw-r--r-- | doc/gets.n | 14 |
1 files changed, 13 insertions, 1 deletions
@@ -5,7 +5,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: gets.n,v 1.4 2001/09/14 19:20:40 andreas_kupries Exp $ +'\" RCS: @(#) $Id: gets.n,v 1.4.8.1 2004/10/27 12:52:40 dkf Exp $ '\" .so man.macros .TH gets n 7.5 Tcl "Tcl Built-In Commands" @@ -51,6 +51,18 @@ 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) |