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# Compare item revisions and files

Compare item revisions and files to view the differences between them without merging their content.

Once you have specified details for the new item revision, Dimensions CM invokes either the Merge Tool or, for UNIX platforms, the mgdiff tool, to enable you to view the differences between the items or files.

PRIVILEGES: Browse Item.

To compare item revisions:

Note: If you have not selected the Install native code option, an error message is displayed when Dimensions CM attempts to invoke the merge tool.

1. In the My Current Project tab or Items tab, select one or more revisions of the same item.

   UNIX: You can merge no more than two item revisions or files.

2. Click the More button and select Show Differences.

3. In the Show Differences dialog box, verify that you have selected the correct item revisions.

4. Select the item revisions and/or workfiles to compare:

   - In the Revisions field, click Add to add another item revision, and select one from the list.

   - In the Workfiles field, click Add to add another workfile file, and browse to find it.

   - Click Delete to remove an item revision or workfile from your selection.

5. Click OK. The merge/difference tool opens:

   - Windows: The merge tool opens.

   - UNIX: the mgdiff tool opens. Use the Help option for details on how to use this tool.

6. When finished, exit the merge tool. In the Results dialog box, click Close.

To compare files in a work area with item revisions:

1. In the My Current Project tab, expand the Work Areas node and click the node for the work area.

2. Expand the folder tree and select the folder in which the file is located.

3. Click the More button and select Show Differences. The Show Differences dialog box opens, displaying the differences.

To compare item revisions using the History dialog box:

1. In the My Current Project tab or the Items tab, select the item.

2. Click the History button.

3. In the Revision History dialog box, select the revision to use as the basis for a comparison.

4. Click the More button and select Show Differences.

5. Select the item revisions and/or workfiles to compare.

   - In the Revisions field, click Add to add another item revision, and select one from the list.

   - In the Workfiles field, click Add to add another workfile file, and browse to select it.

   - Click Delete to remove an item revision or workfile from your selection.

6. Click OK. The merge/difference tool opens:

   - Windows: The merge tool opens.

   - UNIX: the mgdiff tool opens. Use the Help option for details on how to use this tool.

7. When finished, exit the merge tool. In the Results dialog box, click Close.

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See also:

- About comparing and merging files
- Select items

https://admhelp.microfocus.com Dimensions CM 8942
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