Considering that both interpreters/(compiler) for Tcl and Perl were written in C for original use on Unix computers it is not surprising that there are some similarities between the two languages. Nevertheless, there are a large number of differences between the Tcl language and the Perl language. One thing to keep in mind is that to build, install, and use Perl/Tk one does not need to have Tcl/Tk on hand at all.
Perl/Tk is completely independent of Tcl/Tk. More.
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