The Compare tab of DirSync Pro:

Compare file sizes and modification dates. With this option, the file gets copied:
when the file in Dir A is modified later than the file in Dir B (in case of New/Modified copy options), or:

when the file is Dir A is larger than the file in Dir B (in case of Larger copy option).

Compare file sizes, modification dates and meta data (attributes, permissions, ownerships): With this option, the conditions from the previous option apply, plus that the file meta data is taken into account. The file will get copied if the modification data is changed (New/Modified copy option), file size is larger (Larger copy option) or attributes/POSIX permissions/POSIX ownerships are changed.

Compare file contents: with this option, the file contents will be compared byte by byte if the file sizes are the same. If file sizes differ, a sync conflict will occur. Please note that comparing file contents is a very time consuming task.

The Conflict Resolution tab: shows options when conflicts happens while using a mono-directional or bi-directional synchronization. You may set these options only if the Sync Mode is set to bi-directional or a custom mode.

Mono-directional conflict resolution tab.

Mono-directional sync conflict resolution through Overwriting the file in destination with the file from the source: when synchronizing from mono- directional in a custom mode, if the file in destination is modified later (file is newer), the file from the source is copied over the file in destination; the file in destination will be overwritten.

No Mono-directional sync conflict resolution Do nothing. Just warn me: when synchronizing from mono-directional in a custom mode, if the file in destination is modified later (file is newer), nothing will be copied. Instead the user gets a warning and could fx the conflict manually.

No Mono-directional sync conflict resolution Do nothing. Just skip silently: when synchronizing from mono-directional in a custom mode, if the file in destination is modified later (file is newer), the file will be skipped silently.

Bidirectional sync conflict resolution in DirSync Pro

Copying the latest modified file to both directories: when synchronizing bidirectionally, if two files are modified in both directories individually, the latest modified file will be copied to both directories.

Copying the largest file to both directories: when synchronizing bidirectionally, if two files are modified in both directories individually, the largest file will be copied to both directories.

Copying both files to both directories: when synchronizing bidirectionally, if two files are modified in both directories individually, they are postfixed (renamed with added extensions .DirA and .DirB) and they both will be copied to both directories.

Just warn me: when synchronizing bidirectionally, if two files are modified in both directories individually, none of the files are copied. Instead the user gets a warning and could fx the conflict manually.

Just skip silently: when synchronizing bidirectionally, if two files are modified in both directories individually, the files will be skipped silently.

The By Pattern tab in DirSync Pro defines a pattern to match the name of the files or directories.

Define here the Pattern for the file/directory name. Only files/directories matching a specifed pattern should be included or excluded. For example if you specify ‘*.txt’ only files/directories that end with ‘.txt’ will be processed; or if you specify ‘*_new’, only files/directories that end with ‘_new’ will be processed. You can use wildcards (i.e. ‘?’ and ‘*’). ‘?’ means zero, or one character, ‘*’ means zero, one, or more characters.

If you wish to enter many patterns, you may enter them here. You may enter multiple patterns by separating them using semi-column (‘;’) character, like ‘*.gif;*.jpg;*.png’. When you click on OK, multiple patterns will be parsed and split into individual pattern filters.

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