diff options
Diffstat (limited to 'doc/for.n')
| -rw-r--r-- | doc/for.n | 29 |
1 files changed, 16 insertions, 13 deletions
@@ -5,10 +5,8 @@ '\" 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 $ -'\" -.so man.macros .TH for n "" Tcl "Tcl Built-In Commands" +.so man.macros .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME @@ -50,10 +48,12 @@ 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 $x" +\fBfor\fR {set x 0} {$x<10} {incr x} { + puts "x is $x" } .CE .PP @@ -64,21 +64,24 @@ 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" +\fBfor\fR {set x 0} $x<10 {incr x} { + puts "x is $x" } .CE .PP Print out the powers of two from 1 to 1024: +.PP .CS -for {set x 1} {$x<=1024} {set x [expr {$x * 2}]} { - puts "x is $x" +\fBfor\fR {set x 1} {$x<=1024} {set x [expr {$x * 2}]} { + puts "x is $x" } .CE - .SH "SEE ALSO" -break, continue, foreach, while - +break(n), continue(n), foreach(n), while(n) .SH KEYWORDS -for, iteration, looping +boolean, for, iteration, loop +'\" Local Variables: +'\" mode: nroff +'\" End: |