diff options
Diffstat (limited to 'doc/if.n')
| -rw-r--r-- | doc/if.n | 13 |
1 files changed, 9 insertions, 4 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: if.n,v 1.9 2007/12/13 15:22:32 dgp Exp $ +'\" RCS: @(#) $Id: if.n,v 1.10 2008/10/17 10:22:25 dkf Exp $ '\" .so man.macros .TH if n "" Tcl "Tcl Built-In Commands" @@ -40,12 +40,15 @@ The return value from the command is the result of the body script that was executed, or an empty string if none of the expressions was non-zero and there was no \fIbodyN\fR. .SH EXAMPLES +.PP A simple conditional: +.PP .CS \fBif\fR {$vbl == 1} { puts "vbl is one" } .CE .PP With an \fBelse\fR-clause: +.PP .CS \fBif\fR {$vbl == 1} { puts "vbl is one" @@ -55,6 +58,7 @@ With an \fBelse\fR-clause: .CE .PP With an \fBelseif\fR-clause too: +.PP .CS \fBif\fR {$vbl == 1} { puts "vbl is one" @@ -67,16 +71,17 @@ With an \fBelseif\fR-clause too: .PP Remember, expressions can be multi-line, but in that case it can be a good idea to use the optional \fBthen\fR keyword for clarity: +.PP .CS \fBif\fR { - $vbl == 1 || $vbl == 2 || $vbl == 3 + $vbl == 1 + || $vbl == 2 + || $vbl == 3 } \fBthen\fR { puts "vbl is one, two or three" } .CE - .SH "SEE ALSO" expr(n), for(n), foreach(n) - .SH KEYWORDS boolean, conditional, else, false, if, true |