diff options
Diffstat (limited to 'doc/foreach.n')
-rw-r--r-- | doc/foreach.n | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/doc/foreach.n b/doc/foreach.n index 949db4c..89a11f6 100644 --- a/doc/foreach.n +++ b/doc/foreach.n @@ -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: foreach.n,v 1.10 2007/12/13 15:22:32 dgp Exp $ -'\" -.so man.macros .TH foreach n "" Tcl "Tcl Built-In Commands" +.so man.macros .BS '\" Note: do not modify the .SH NAME line immediately below! .SH NAME @@ -51,8 +49,10 @@ The \fBbreak\fR and \fBcontinue\fR statements may be invoked inside \fIbody\fR, with the same effect as in the \fBfor\fR command. \fBForeach\fR returns an empty string. .SH EXAMPLES +.PP This loop prints every value in a list together with the square and cube of the value: +.PP .CS '\" Maintainers: notice the tab hacking below! .ta 3i @@ -65,6 +65,7 @@ puts "Value\etSquare\etCube" ;# Neat-looking header .PP The following loop uses i and j as loop variables to iterate over pairs of elements of a single list. +.PP .CS set x {} \fBforeach\fR {i j} {a b c d e f} { @@ -75,6 +76,7 @@ set x {} .CE .PP The next loop uses i and j to iterate over two lists in parallel. +.PP .CS set x {} \fBforeach\fR i {a b c} j {d e f g} { @@ -85,6 +87,7 @@ set x {} .CE .PP The two forms are combined in the following example. +.PP .CS set x {} \fBforeach\fR i {a b c} {j k} {d e f g} { @@ -98,4 +101,4 @@ set x {} for(n), while(n), break(n), continue(n) .SH KEYWORDS -foreach, iteration, list, looping +foreach, iteration, list, loop |