Synchronization actions

Comparison rules

During folders comparison, Synchronize It! consider some files as same. You can affect which files should be handled as same by choosing one of comparison rules:

Date + size	Default rule, suitable for most cases: files are same, if they have same date and size.
Date or content	Modification of default rule, suitable if you think you have same files with different dates. Files with same date and size are still considered as same, but in addition files with same size and different dates are compared byte-by-byte to check if they are same.
Content	Strict rule, which does binary comparison for all file pairs. Using this rule will make synchronization slower. This rule is ideally suited for CD verification after burning
Size only	Files are considered to be same if they have same size. It is only good for some log files and similar.

Tip #1: Synchronize It! always matches files with same names only.

Tip #2: Date comparison in all rules takes into account global time-related options, such as Ignore 2 secs difference etc.

Actions

Synchronize It! supports different synchronization modes, called Actions, which you can choose depending on your task. Actions are different in a way they handle each file types. Synchronize It! separates several file types during synchronization:

• same files - they are not copied, but could be included in list;
• files found only on source folder (left side of file list);
• files found only on target folder (right side of file list);
• files present on both sides, but source file is newer;
• files present on both sides, but target file is newer.

	Action	source only	target only	source newer	target newer
	Synchronize	copy >>	copy <<	copy >>	copy <<
	Update target	copy >>	---	copy >>	---
	Backup	copy >>	delete	copy >>	---
	Duplicate	copy >>	delete	copy >>	copy >>

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