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Comparing and Merging
SlickEdit® Core provides two powerful ways to compare and merge files: DIFFzilla and 3-Way Merge.
DIFFzilla®
DIFFzilla provides powerful differencing capabilities that let you compare files or directories and view the
differences side-by-side. You can make edits, merge changes, and save modified files easily within the
results windows. As edits are made, the diff view is updated as you type, so you don't have to re-run the
comparison. And, switching from a directory comparison to an individual file difference is as simple as a
mouse click.
With DIFFzilla, you can:
• View differences between two files. See Comparing Two Files.
• View differences between symbols and parts of files. See Comparing Symbols or Parts of Files.
• View differences between all of the symbols in two files. See Comparing All Symbols of Two Files.
• View differences between source trees. See Comparing Two Directories.
• See intra-line differences, color-coded as you type. See Dynamic Difference Editing.
• Generate file lists. See Generating File Lists.
• Specify automatic directory mapping. See Automatic Directory Mapping.
• Save/restore multi-file results.
• Utilize dialog box history (wild cards, paths, file specifications).
Using the DIFFzilla® Dialog
The following sections describe how to use DIFFzilla and the differencing features in SlickEdit® Core. For
more details on the specific options available on the DIFFzilla dialog (Tools → File Difference or diff
command), see DIFFzilla Dialog.
Dynamic Difference Editing
DIFFzilla® allows you to diff, or compare, files, and provides the ability to view the differences side-by-side
or interleaved (one on top of the other). The output is color-coded. The side-by-side output differences
can be merged from one file to the other, and you can edit the files directly inside the DIFFzilla dia-
log—this is called Dynamic Difference Editing.
Undo, copy/paste, Syntax Expansion/indenting, SmartPaste®, Auto List Members, Auto Parameter Info
and many emulation key mappings work when editing in the DIFFzilla dialog box. When you type or make
any edit, lines are re-diffed (compared again) so that you can view the new intra-line differences easily.
DIFFzilla®
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