(6)、string range string first last 与string index string charIndex类似,只不过他需要两个索引,返回的是first到last之间的字符串,如果fisrst小于0按0处理,last类似。 此外当字符串中含有空格等符号时需要使用””弱引用。 example: (7)、string replace string first last ?newstring? 字符替换与删除,如果first...
The length of the string is: 16 The character at index 3 is: s The characters from index 4 through 8 are: is a The index of the first occurrence of letter "i" is: 2 eval 调用一个Tcl脚本 eval命令会把它的参数直接送往解释器。 Example 9.1: set foo "set a 22" eval $foo puts $a ...
string first "tcltk" "This is a tcltk example";#返回10,返回第一次匹配的索引,如果找不到则返回-1 string last "is" "This is a tcltk example";#返回5,返回最后一次匹配的索引 替换字符串 string map {key1 value1 key2 value3 ...} 1abcaababcabababc;#将1abcaababcabababc中的key1替换为val...
proc example {first {second ""} args} { ;#参数定义:赋缺省值和不确定个数参数定义 if {$second == ""} { puts "There is only one argument and it is: $first"; return 1; } else { if {$args == ""} { puts "There are two arguments - $first and $second"; ...
puts "\"[string range $string 5 10]\" are characters between the 5'th and 10'th" ;#返回”is my ” 2.18 讲解: 1.字符串函数列表 序号 函数 解释 1 string compare string1 string2 字符串比较 返回: -1:string1比string2小 0:string1和string2相等 1:string1比string2大 2 string first str...
. Both key and value may be multiple characters. Replacement is done in an ordered manner, so the key appearing first in the list will be checked first, and so on. string is only iterated over once, so earlier key replacements will have no affect for later key matches. For example,...
Example : set str "This is a string" puts "The string is: $str" puts "The length of the string is: [string length $str]" puts "The character at index 3 is: [string index $str 3]" puts "The characters from index 4 through 8 are: [string range $str 4 8]" puts "The index...
Basic String FormattingThis example demonstrates simple string formatting with the format command. basic_format.tcl set name "John" set age 30 set result [format "Name: %s, Age: %d" $name $age] puts $result Here %s formats a string and %d formats a decimal integer. The variables name ...
master 克隆/下载 git config --global user.name userName git config --global user.email userEmail 分支12 标签16 Mason Jonestry: Fix bug witherrorCodebeing shorte...f659fc46天前 1977 次提交 .github/workflows github: update codeql flow to use ubuntu-latest ...
# monitor resolution ratio , for example : 1920 x 1080 quietly set m_width 1920 quietly set m_height 1080 if 0 { my first program in Tcl program Its very simple } 首先,第一行,TCL 采用#进行单行注释,多行注释使用判断句注释,就像末尾的 if 那样。TCL 是一种弱语言类型,不需要声明类型,直接通...