diff options
Diffstat (limited to 'doc/expr.n')
| -rw-r--r-- | doc/expr.n | 20 |
1 files changed, 10 insertions, 10 deletions
@@ -6,7 +6,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: expr.n,v 1.22 2006/04/26 04:41:10 dgp Exp $ +'\" RCS: @(#) $Id: expr.n,v 1.23 2006/08/09 10:06:28 dkf Exp $ '\" .so man.macros .TH expr n 8.5 Tcl "Tcl Built-In Commands" @@ -108,10 +108,10 @@ Then the command on the left side of each of the lines below will produce the value on the right side of the line: .CS .ta 6c -\fBexpr 3.1 + $a 6.1 -expr 2 + "$a.$b" 5.6 -expr 4*[llength "6 2"] 8 -expr {{word one} < "word $a"} 0\fR +\fBexpr\fR 3.1 + $a \fI6.1\fR +\fBexpr\fR 2 + "$a.$b" \fI5.6\fR +\fBexpr\fR 4*[llength "6 2"] \fI8\fR +\fBexpr\fR {{word one} < "word $a"} \fI0\fR .CE .SS OPERATORS .PP @@ -199,7 +199,7 @@ of the \fBpow\fR function (after any type conversions.) All of the binary operators group left-to-right within the same precedence level. For example, the command .CS -\fBexpr 4*2 < 7\fR +\fBexpr\fR {4*2 < 7} .CE returns 0. .PP @@ -266,19 +266,19 @@ For arithmetic computations, integers are used until some floating-point number is introduced, after which floating-point is used. For example, .CS -\fBexpr 5 / 4\fR +\fBexpr\fR {5 / 4} .CE returns 1, while .CS -\fBexpr 5 / 4.0\fR -\fBexpr 5 / ( [string length "abcd"] + 0.0 )\fR +\fBexpr\fR {5 / 4.0} +\fBexpr\fR {5 / ( [string length "abcd"] + 0.0 )} .CE both return 1.25. Floating-point values are always returned with a ``\fB.\fR'' or an \fBe\fR so that they will not look like integer values. For example, .CS -\fBexpr 20.0/5.0\fR +\fBexpr\fR {20.0/5.0} .CE returns \fB4.0\fR, not \fB4\fR. .SS "STRING OPERATIONS" |