diff options
Diffstat (limited to 'doc/for.n')
| -rw-r--r-- | doc/for.n | 8 |
1 files changed, 5 insertions, 3 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: for.n,v 1.9 2007/12/13 15:22:32 dgp Exp $ +'\" RCS: @(#) $Id: for.n,v 1.10 2008/10/17 10:22:25 dkf Exp $ '\" .so man.macros .TH for n "" Tcl "Tcl Built-In Commands" @@ -50,7 +50,9 @@ expression is evaluated (before each loop iteration), so changes in the variables will be visible. See below for an example: .SH EXAMPLES +.PP Print a line for each of the integers from 0 to 10: +.PP .CS for {set x 0} {$x<10} {incr x} { puts "x is $x" @@ -64,6 +66,7 @@ before the \fBfor\fR command is run and whether its value is a value that is less than or greater than/equal to ten, and this is because the expression will be substituted before the \fBfor\fR command is executed. +.PP .CS for {set x 0} $x<10 {incr x} { puts "x is $x" @@ -71,14 +74,13 @@ for {set x 0} $x<10 {incr x} { .CE .PP Print out the powers of two from 1 to 1024: +.PP .CS for {set x 1} {$x<=1024} {set x [expr {$x * 2}]} { puts "x is $x" } .CE - .SH "SEE ALSO" break, continue, foreach, while - .SH KEYWORDS for, iteration, looping |