Tcl – Regular Expressions
The "regexp" command is used in Tcl regular expressions to match a regular expression in Tcl. A regular expression in Tcl is a sequence of characters that contains a search…
The "regexp" command is used in Tcl regular expressions to match a regular expression in Tcl. A regular expression in Tcl is a sequence of characters that contains a search…
Tcl provides a number of built-in functions (procedures) for various operations. Tcl includes below listed built-in functions − Functions for list handling.Functions for string handling.Functions for array handling.Functions for dictionary handling.Functions for File I/O handling.Functions for creating namespaces and packages in Tcl Built-in…
Error handling in Tcl is provided with the help of error handling and catch commands in Tcl. The syntax for each of these commands is shown below. Error syntax error message info code In…
Tcl supports file I/O handling with the help of the built in commands open, read, puts, gets, and close. A file I/O represents a sequence of bytes, does not matter…
Namespace is a container for set of identifiers that is used to group variables and procedures. Namespaces are available from Tcl version 8.0. Before the introduction of the namespaces, there…
Tcl Packages are used for creating reusable units of code in. A Tcl Packages consists of a collection of files that provide specific functionality. This collection of files is identified…
Procedures are nothing but code blocks with series of commands that provide a specific reusable functionality in Tcl Procedures. It is used to avoid same code being repeated in multiple…
A dictionary is an arrangement for mapping values to keys. In Tcl dictionary the syntax for the conventional Tcl dictionary is shown below − dict set dictname key value #…
List is one of the basic data-type available in Tcl Lists. This Tcl lists is used for representing an ordered collection of items. It can include different types of items…
The primitive data-type of Tcl is strings and often we can find quotes on Tcl as strings only language. These Tcl strings can contain alphanumeric character, just numbers, Boolean, or…