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CM > Diff (Apex/ClearCase)The CM > Diff command compares versions of a text-file element or a directory.
The default processing uses the ClearCase diff command, cleartool diff, which will produce a Cleardiff window. Please see the ClearCase User's Manual for more details. When the ClearCase difference tool is to be used, the objects must be in an Apex view that is stored in the ClearCase repository.
The CM > Diff command displays the ClearCase Diff dialog box.
Command Line Interface > cleartool diff
ClearCase Diff dialog box fields:
Which form of differencing radio buttons:
These radio buttons allow a choice of difference peocessing, either ClearCase differencing or Apex Ada differencing may be used.
- clearcase diff
Check this box to use ClearCase differencing.
- apex Ada diff
Check this box to use Apex Ada differencing.
Options check boxes
These buttons are only available when Ada differencing is being performend.
- Ignore all whitespace
Check this box to have the comparison ignore all blanks and tabs on lines.
- Ignore whitespace around Ada constructs
Check this box to have special Ada differencing performed. Unchecking this box will cause the dialog to revert to using clearcase differencing.
- Ignore case
Check this box to have the comparison be case-insensitive.
- Ignore case of Ada constructs
Check this box to have the comparison be case-insensitive of Ada constructs.
- Ignore Ada comments
Check this box to have the comparison treat Ada comments as whitespace.
Difference Pane Stacking radio buttons:
These buttons are only available when a clearcase diff is being performend.
- Display the difference panes horizontally
Select this option to display the differences displayed side by side.
- Display the difference panes vertically
Select this option to display the differences serially.
Pass-through options check boxes:
These buttons are only available when a clearcase diff is being performend. They allow for the common pass-through-opts options of the cleartool diff command. Please refer to the ClearCase documentation for additional information on these options.
- Ignore leading and trailing white space
Check this box to ignore extra white space characters in text lines: leading and trailing white space is ignored altogether; internal runs of white space characters are treated like a single <SPACE> character.
Use smaller font in a 165-character window check box:
Check this box to use a smaller font in a 165-character difference window.
Additional Topics
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