# Tcl tags : [[programming languages]] Tcl is a programming language primarily used for scripting. Its website calls it “the industry’s best kept secret.” Tcl, unlike [[Bash]], is string-based, in the same sense that [[Lisp]] is list-based. ```tcl set cmd "echo" set arg "hello world" exec $cmd $arg ``` ## Resources - [Learn Tcl in Y Minutes](https://learnxinyminutes.com/docs/tcl/)