Emacs among the text editors that are popularly known for their extensibility. Like many other top text editors, Emacs is cross-platform. It is written in Lisp and C language. TextMate can be for many purposes. We now know Kate as a multi-document editor. It is not difficult to use and it is a general-purpose text editor. We widely know Textpad as an easy-to-use editor for making up text files. It is a general-purpose and very powerful editor.
Computing systems or operating environments utilizing a command-line interface use GNU nano has a text editor. Padre is released as a CPAN package. The released versions can be seen here. As Padre has many dependencies probably the easiest is to install the binary distribution where available from the vendor Mandriva, Fedora, Debian, FreeBSD and then use cpanm to upgrade. Note : installing Padre in a fresh install of Strawberry Perl can lead to weird behaviour, like preferences not being saved on exit due to Padre crashing on exit.
See the comments for for a workaround. If one of the dependencies fails to install, there are a number things you can do. This I hope is the screen shots he wished he could have included in the blog post. Thanks tsee! First of all, lets see the code as it stands before we make any changes:. First locate any instance of the variable name and click on it so that the cursor is "inside" the variable name.
Unfortunately at the moment I can't get a screenshot while the menu system is active, however to get the "Lexically Rename Variable" you can either right click on the variable name and you should see "Lexically Rename Variable" in the context menu. The other place to find it is under "Perl" in the Menu. The end result can be seen:. So now we go ahead and rename all the variables:. First of all select the code we want the new temporary variable created for:.
Next either right click the highlighted code or from the menu click Perl and then "Introduce Temporary Variable". You will be then asked for a name for the variable. With the new name decided upon, click OK and the new variable is then created and used:. There you have two useful examples of refactoring your code based upon a real world example.
I'll leave it to tsee to sum up: "Thus Padre helps me refactor crufty code with ease. Behind this item there are lots of issues. We maintain a separate set of Howto's on the developers wiki. How to do it in Padre?
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