Table of Contents
What is split in Tcl?
Returns a list created by splitting string at each character that is in the splitChars argument. Each element of the result list will consist of the characters from string that lie between instances of the characters in splitChars.
How do I concatenate strings in Tcl?
Use append. Tcl does concatenation of strings as a fundamental operation; there’s not really even syntax for it because you just write the strings next to each other (or the variable substitutions that produce them).
What are the different string command available in Tcl?
String Command
| Sr.No. | Methods & Description |
|---|---|
| 6 | match pattern string Returns 1 if the string matches the pattern. |
| 7 | range string index1 index2 Return the range of characters in string from index1 to index2. |
| 8 | tolower string Returns the lowercase string. |
| 9 | toupper string Returns the uppercase string. |
How do I match a pattern in TCL?
The “regexp” command is used to match a regular expression in Tcl….Tcl – Regular Expressions.
| Sr.No. | Rule & Description |
|---|---|
| 1 | x Exact match. |
| 2 | [a-z] Any lowercase letter from a-z. |
| 3 | . Any character. |
| 4 | ^ Beginning string should match. |
How to do a string command in Tcl?
String Command Sr.No. Methods & Description 1 compare string1 string2 Compares string1 2 first string1 string2 Returns the index 3 index string index Returns the character 4 last string1 string2 Returns the index l
Which is the primitive data type of TCL?
The primitive data-type of Tcl is string and often we can find quotes on Tcl as string only language. These strings can contain alphanumeric character, just numbers, Boolean, or even binary data.
Which is the default trimcharacters in Tcl string?
The default trimcharacters is whitespace. Return the index in findstring of the character after the word containing the character at index. Return the index in findstring of the first character in the word containing the character at index. Examples of some commonly used Tcl string sub commands are given below.
How are Boolean values represented in a Tcl string?
Tcl uses 16 bit unicode characters and alphanumeric characters can contain letters including non-Latin characters, number or punctuation. Boolean value can be represented as 1, yes or true for true and 0, no, or false for false. Unlike other languages, in Tcl, you need not include double quotes when it’s only a single word. An example can be −
What should the varname be in a string in Tcl?
Any Unicode printing character, except space. Any of the valid string formats for a 32-bit integer value in Tcl, with optional surrounding whitespace. In case of overflow in the value, 0 is returned and the varname will contain -1. Any proper list structure, with optional surrounding whitespace.
How to split a string into a proper TCL list?
NAME split – Split a string into a proper Tcl list SYNOPSIS split string?splitChars? DESCRIPTION Returns a list created by splitting stringat each character that is in the splitCharsargument. Each element of the result list will consist of the characters from stringthat lie between instances of the characters in splitChars.
How to compare string1 to String2 in Tcl?
Returns 1 if string1 and string2 are identical, or 0 when not. If -length is specified, then only the first length characters are used in the comparison. If -length is negative, it is ignored. If -nocase is specified, then the strings are compared in a case-insensitive manner.
How to return the Index in a Tcl string?
Return the index in findstring of the character after the word containing the character at index. Return the index in findstring of the first character in the word containing the character at index. Examples of some commonly used Tcl string sub commands are given below.