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4 Editing and Maintaining Source Files using barcode implement for none control to generate, create none image in none applications.c# code 39 generation Editor Memory Usage (MiB). ISO Standards 40 35 30 25 20 15 10 5 SciTE Vim-x-kde Emacs-x-kde Vi-minimal kwrite zile joe vim jed Emacs-nw-kde Emacs-nw-gnome Emacs-x-gnome Vim-x-gnome nedit Emacs-nox gedit kate 0. FIGURE 4-9. Memory Usage by Text Editor Editor Summary I have focused on text editor features for programmers, and the choice of features was perhaps a little arbitrary. There are many other choices offering many more features. Perhaps you would like a GUI editor that you can use in both Windows and Linux.

Emacs and Vim will work, but so will SciTE and many other editors I didn t cover here. Another feature I left out that may be important to you is internationalization (i18n for short). The i18n support in all the editors tested was surprisingly good.

It used to be that terminal-based editors could not support the fonts or encodings required for i18n, but that s not true anymore. Thanks in large part to the international community of open source developers, most popular text editors, including terminal-based editors, can handle multiple encodings. All the editors.

Revision Control tested support UTF-8, a versatile Unicode encoding that is a superset of ASCII and that can represent any written language on Earth. Don t just look at the features listed here; also consider what special requirements you have. If you do any searching on the topic of text editors, you will discover that this has been the topic of holy wars in the past.

Try to keep an open mind, and always be skeptical of anyone who claims that his favorite editor is the only one you ll ever need. As a programmer, your goal is to be productive, not fashionable..

Revision Control Any good software proc ess requires revision control. It is a key metric for any organization that claims to be mature. The ability to control what goes into a release of software and to keep track of it after it is released is vital to quality software development.

Good revision control is necessary not only for large organizations, but also for individual developers. It can be a chore, but more often than not, it is a vital tool in your development process. From a text-editing perspective, you can think of revision control as being a super undo function.

It allows you to checkpoint your development at certain stages where features are stable, before you start to implement new features that may affect the whole project. This section cannot do justice to all the tools that are available for revision control. Indeed, you can find several books on each of these tools.

Instead, I look at some of the basic concepts of revision control that are common to all tools. Then I cover some of the features of several popular tools. You can find more information about these tools in the Online References section at the end of this chapter.

. Revision Control Basics Suppose that Figure 4- 10 illustrates the revisions of a module you created for an open source project. Revisions A through F are the main branch, where new features are added and debugged. At revision C, you decided to release the code.

While users were getting used to the features, you continued to work on new features in revisions D through F. Sometime during this development, your users discovered bugs that needed to be addressed. In order to fix these bugs without releasing unfinished features, you created a branch from revision C.

This allowed you to fix the released code and work on new features at the same time. At revision F, you were able to merge the bug fixes into the main code, which is typical before a new release..

4 Editing and Maintaining Source Files The pattern illustrate d in Figure 4-10 is a bit oversimplified, but it is the same for virtually all revision control tools. Until recently, there weren t many open source tools available for revision control. That has changed, and some new tools are maturing and competing for new projects.

Some of the most popular tools are listed in Table 4-29..
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