![tcl - Reposition file name from button to entry and use file names as global variables - Stack Overflow tcl - Reposition file name from button to entry and use file names as global variables - Stack Overflow](https://i.stack.imgur.com/rOmFF.gif)
tcl - Reposition file name from button to entry and use file names as global variables - Stack Overflow
![Writing Tcl Scripts (cont.) Outline –Variable Scoping –Strings –Eval –File/Channel I/O –Processes –System Info –Errors –Reflection/Debugging –Libraries. - ppt download Writing Tcl Scripts (cont.) Outline –Variable Scoping –Strings –Eval –File/Channel I/O –Processes –System Info –Errors –Reflection/Debugging –Libraries. - ppt download](https://images.slideplayer.com/16/5006370/slides/slide_2.jpg)
Writing Tcl Scripts (cont.) Outline –Variable Scoping –Strings –Eval –File/Channel I/O –Processes –System Info –Errors –Reflection/Debugging –Libraries. - ppt download
![Variables in TCL , Control Structure , Loops , Switch-Case, Procedure , Variable Scope & Upvar Command ~ TechSimplifiedTV.in Variables in TCL , Control Structure , Loops , Switch-Case, Procedure , Variable Scope & Upvar Command ~ TechSimplifiedTV.in](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjDNm8z6aiurCAsfYpQZNjCf675by39DSgx_5N53MphIkf4NX1uwvkPoSvnbTC1WChydWmUIWs-_l_zw_n3CG3ayQ3rJHIyz4Wg7bqd4NW4_nl-GSq-KsE-nQhn5MI3Lp9LHq80M7POsQv-ieHoCEt2VJn8NNRYiZVt71HJS9lajp-U2DkixGIA9ICnYQ/s1123/TCL_Control_Structure.png)