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Comparator Fast File Comparator Screen, shows you an exact data comparison step by step. Files must be 100% identical to pass the check of File Comparator. To accelerate the process (in Automatic Mode), File Comparator will detect only the first difference of both files, and continue with next (if any). You may drag and drop two files to be compared (manual process).

File Comparator can be used in automatic or mode. Automatic mode is launched when you scan folders and enable the option "Duplicates by Data.

When you set the option to look for by Name, Size and , every file is compared and you'll see the status and progress on File Comparator's window.

The information are:
* Source File and Path
* File Size
* Progress bar
* Destination File and Path

Manual Mode
This choice is in Main Menu. This way, the File Comparator window will expect you to drag and drop the files to compare, specify each file (source and target) manually or browse for source/target file.

You may drag and drop from Windows Explorer, Desktop, or any other explorer's like program.
If you wish, you can select 2 files from Windows Explorer, drag and drop to File Comparator's window, and when you finished drop of two files, the comparison process begins automatically.

You may drop a single file straight to the proper Source or Target file's box.

Before clicking Go button and start comparison process, you may want to check comparison options first.

Recent Compared Files
Clicking this button, or right-click Source or Target file's box, you'll get a pop up with your most recent compared files. In order to keep the pop up menu small as possible, large pathnames will be abbreviated. You'll see a list with the source file first, a "separator" (<*>) and the target file. Choosing an item will change Source and Target file's box content with your choice.

Options
Here you may configure some comparison options that may affect speed and what information do you need:

Dump differences to Log	When this option is enabled (checked), the first difference found on compared files, will be with a small dump of data.
Calculate CRC32	When this option is enabled (checked), you'll get the value of compared files. Note: This option cannot be changed during a comparison process.
Calculate CRC32 - Lower case	Enable (check) this option if you want to convert all letters on value to lower case.
Calculate MD5	When this option is enabled (checked), you'll get the value of compared files. Note: This option cannot be changed during a comparison process. Please be aware that calculating MD5 takes more time and is a CPU intensive process.
Calculate MD5 - Lower case	Enable (check) this option if you want to convert all letters on value to lower case.
Dump results to log	Enable (check) this choice to "dump" comparison results to main Comparator Fast log window.

View Last
This button will be enabled when you made your first comparison. Allows you to see the last comparison results. If you compared more files on same File Comparator's session, you'll get a History of the most recent comparisons. You may navigate to prior or next comparisons in history, clicking the left/right arrows, or click the left or right key on your keyboard.

Go
To start comparison of specified files, click the Go button. The progress window will appears (same look as "Automatic Mode"), but you may cancel the comparison clicking the Stop button.

Close
Close current File Comparator's window. Please note that you may open several File Comparator windows (until limit is reached), and each File Comparator window will save their own "history" of compared files, window's size and position.