Sublime Text 3
Download Sublime Text 3 from here. Sublime Text 3
It can be downloaded as a portable also if needs be.
Install and go to Tools> Install Package Control
Go to preseferences>Package Control > PackageControl:Install Package
Type VEX in the new window and click on Vex for Houidni users
This will install the syntax for Vex programming inside Houdini.
Next got to Preferences>Settings> and add the following lines of code on the right
{
"remember_open_files": false,
"hot_exit" : false,
}
Houdini
Next navigate to the 123.cmd file found in C:\Program Files\Side Effects Software\houdini\scripts\123.cmd. Save a backup of the file first and add the following lines of code to the bottom of the script.
setenv EDITOR = "C:\Program Files\Sublime Text 3\sublime_text.exe"
Save and close the file
Use Alt+e in the vex window then click external editor.