(7)、string replace string first last ?newstring? 字符替换与删除,如果first比last大,则不进行替换与删除,使用newstring字符替换first到last位置的字符,如果不存在newstring则将first到last位置的字符删除。 example: (8)、string map ?-nocase? mappin
string map ?-nocase? mapping string Replaces substrings in string based on the key-value pairs in mapping. mapping is a list of key value key value ... as in the form returned by array get. Each instance of a key in the string will be replaced with its corresponding value. If -no...
set filename "example_file.txt" set extension [file extension $filename] set basename [file rootname $filename] set new_filename [string replace $basename end-3 end ""] set new_filename_with_extension [string cat $new_filename $extension] file rename $filename $new_filename_with_extens...
2.string replace $data 3 4 40 this also will give you the replaced value Read More 11:: Where can we find the sample tcl programs? Please use below link to get the TCL tutor. There are links to other online tutorials at http://www.msen.com/~clif/Tcl.html ...
exp string subSpec varName. The command returns 1 if a match occurred, 0 otherwise. The modified string is stored in varName. Simple SubstitutionThis example demonstrates a basic substitution where we replace all occurrences of "cat" with "dog" in a string. basic_regsub.tcl ...
结果=>1 he she 2 ;#new 的内容并没有改变,这和 string replace 相同。 set y [lreplace $new 1 2] 结果=>1 2 ;#将第 1、2 个元素删除 lsort命令:实现对列表的排序。 注意:排序操作不影响原表,而是返回排序之后的新表。 set list "a Z z n100 n200 M p Hl hL m 1 20" ...
This example temporarily replaces the built-in puts command with a modified version, then restores the original. This pattern is useful for debugging or adding functionality to built-in commands. Best PracticesDocumentation: Always document when renaming commands. Restoration: Plan how to restore ...
Example showing how to use DebugLogFilePath. top LastErrorHtml string# ckStr is a CkString CkStringArray_get_LastErrorHtml $myStringArray $ckStr set strVal [CkStringArray_get_lastErrorHtml $myStringArray] Provides HTML-formatted information about the last called method or property. If a met...
{string} 不带替换的引用 [string] 命令替换 \char 反斜杠替代 \ 行继续(在行尾) Tcl 全局变量和反斜杠替代 #!/usr/bin/tclsh # # Demonstrate global variables # and backslash substitution if {$argc >= 1} { set N 1 foreach Arg $argv { ...
还可以根据关键字与指定模式的string match匹配情况进行筛选。 % dict keys $example {*name} > firstname surname dict values可以将字典中的关联值按顺序组成列表。该命令也可以进行模式筛选。 dict for可以遍历字典的关键字和关联值,并分别对它们执行一些代码。它获取一对变量的列表作为一个参数(一个是关键字,...