如果没有的话,TCL会报错,因为解释器会把这里最后两个单词之间的空格认为是分隔符,于是发现set命令有多于两个参数,从而报错。加入了后,空格不被当作分隔符,multiplespace被认为是一个单词(word)。又例如:%setmsgmoney$3333nArraya2/这个命令的执行结果为:money$3333Arraya2这里的$不再被当作变量置换符。TCL支持以下...
TCL用 法祥述一 TCL 语法 1 脚本,命令和单词符号 一个 TCL 脚本可以包含一个或多个命令.命令之间必须用换行符或分号隔开,下面的两个脚本 都是合法的: set a 1 set b 2 或 set a 1;set b 2 TCL 的每一个命令包含一个或几个单词,第一个单词代表命令名,另外的单词则是这个命令的 参数,单词之间必须...
我是TCL编程中的新手,通过学习基础知识,我遇到了以下代码片段: set x 0; while "$x < 3" { set x [expr $x + 1] if {$x >6} break; if "$x > 2" continue; puts "x is $x"; } puts "exited second loop with X equal to $x\n" 执行时,结果如下: x为1 X是2 X等于7的退出第二...
recursively, for all files# ending in the extension ".tcl". Store the results in the# file "files.txt".thread::create{# Load the Tcllib fileutil package to use its# findByPattern procedure.packagerequire fileutilsetfiles[fileutil::findByPattern[pwd]*.tcl]setfid[openfiles...
tcl脚本语言中文详解.doc,T C L用 法祥述一 TCL语法脚本、命令和单词符号一个TCL脚本可以包含一个或多个命令。命令之间必须用换行符或分号隔开,下面的两个脚本都是合法的: set a 1 set b 2 或 set a 1;set b 2 TCL的每一个命令包含一个或几个单词,第一个单词代表命令
Tcl_Eval(interp,"incr argc -1; set argv [lrange $argv 1 end]"); } KITDEBUG("returning")Tcl_SetVar(interp,"errorInfo","", TCL_GLOBAL_ONLY); Tcl_ResetResult(interp);returnTCL_OK; error:#ifdefKIT_INCLUDES_TK#ifdef_WIN32MessageBeep(MB_ICONEXCLAMATION); ...
set apples 4 set bananas 3 puts "There are $oranges oranges, $apples apples and\ $bananas bananas. " Tcl evaluates variables in double quotes. puts "There are $oranges oranges, $apples apples and\ $bananas bananas. " In this code line, we combine variables and strings in one sentence. ...
%db eval {updatet1setvalue='B'whereid=2returning idaschanged_id;select*fromt1whereid=:changed_id }2%puts $changed_id cant read "changed_id":nosuch variable This second example is how I've been handling similar instances using multiple eval statements. ...
It is not necessary to declare Tcl variables before you use them. The interpreter will create the variable when it is first assigned a value. The value of a variable is obtained later with the dollar-sign syntax, illustrated in Example 1–2: Example 1–2 Tcl variables. set var 5 => 5...
Set up an environment by loading libraries, connecting to a chassis, logging in, and taking ownership Configure ports appropriately for our test Create multiple Ixia traffic streams Send and receive the traffic Analyze the results using both the statistic views and the capture buffer ...