You can compare different files, you can compare versions in the Workbench with versions in the repository, or with the local edit history. In some cases you ...
BEX Code Compare is a library and Eclipse plugin, which uses Patience sort / Myers diff and some post diff processing to yield an enhanced code compare.
To assign a keyboard shortcut to the feature, go to Window > Preferences > General > Keys, look for the command Compare with Other Resource and ...
To compare two files, highlight them in a view such as the Package Explorer and select Compare With→ Each Other in the view's context menu. Eclipse will perform ...