Folder Sync Comparison Settings
Description: These settings control what is considered a difference in a folder session.
Keywords: attributes,attributes compare,compare,compare attributes,compare file contents,compare file size,compare timestamps,compare version info,comparison criteria,comparison criteria setting,Folder Sync,Folder Sync rules,timestamps,timestamps compare,version,version compare version info

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# Beyond Compare

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These settings control what is considered a difference in a folder session.

Quick tests

These comparison tests can be performed simply by reading folders and are much quicker than tests that require reading individual files.

Compare file size

Marks files as different if file sizes differ.

Compare timestamps

Compares files' date and time last modified. Timestamps must differ by more seconds than the second tolerance to be considered mismatches.

Ignore daylight saving difference ignores exact hour differences. This is useful for dealing with the way that different file systems handle Daylight Savings Time.

Ignore timezone differences ignores timestamp differences that are multiples of an exact hour.

Compare filename case

Marks files as different if character capitalizations differ.

Compare file attributes

Compares Windows file attributes (archive, hidden, read-only, system, etc). Any attribute that is being compared will be shown in the dropdown using its single-letter abbreviation. All attributes that are not being compared will be shown as dashes. Files will be marked as different if any of the selected attributes differ. Since merely copying a file can change its archive attribute, you should normally disable this option.

Compare Unix metadata

Compare permissions marks files as different if the Unix permissions (user/group/other read/write/execute/sticky) differ.

Compare owner marks files as different if the Unix owner IDs differ.

Compare group marks files as different if the Unix group IDs differ.

Align filenames with different extensions

Lines up files whose filenames are the same except for the extensions.

Align filenames with different Unicode normalization forms

Lines up files whose filenames are Unicode equivalent.

Tests that require reading files

Compare contents

Enables size or content-related comparisons.

CRC comparison compares files using their CRC values.

Binary comparison compares files byte-by-byte.

Rules-based comparison compares files based on their file format associations. Allows you to ignore differences in line endings, whitespace, or source code comments.

Skip if quick tests indicate files are the same improves comparison speed by only performing the slower, more thorough tests when timestamps are different.

Compare versions

Compares version information, typically stored in application files (.exe, .dll, .ocx, etc).

Override quick test results

Marks files as matching if a content comparison determines they match even if there are differences in timestamps or other quick tests.