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author | dkf <donal.k.fellows@manchester.ac.uk> | 2004-04-16 10:28:54 (GMT) |
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committer | dkf <donal.k.fellows@manchester.ac.uk> | 2004-04-16 10:28:54 (GMT) |
commit | 0edcd84dd859277b50c6666a4d90101a67c76746 (patch) | |
tree | b8531294268ac821a86ec0ff6899c6b714fad64a /doc | |
parent | e9c2be75488623a37e950be08766ed339938da0c (diff) | |
download | tcl-0edcd84dd859277b50c6666a4d90101a67c76746.zip tcl-0edcd84dd859277b50c6666a4d90101a67c76746.tar.gz tcl-0edcd84dd859277b50c6666a4d90101a67c76746.tar.bz2 |
Added example based on [Patch 935911] from David Welton.
Diffstat (limited to 'doc')
-rw-r--r-- | doc/gets.n | 15 |
1 files changed, 14 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 1.5 2004/04/16 10:28:55 dkf Exp $ '\" .so man.macros .TH gets n 7.5 Tcl "Tcl Built-In Commands" @@ -52,6 +52,19 @@ 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. + +.CS +set chan [open "some.file.txt"] +set lineNumber 0 +while {[gets $chan line] >= 0} { + puts "[incr lineNumber]: $line" +} +close $chan +.CE + .SH "SEE ALSO" file(n), eof(n), fblocked(n), Tcl_StandardChannels(3) |