fCompare (Function)

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Functions for managing external files

Constants for the external files

Functions for managing external files

Handling the external files

Storing files in Android

Summary table: Managing the application directories according to the platform

fDetectRemovableStorage

fReadLineRegularExpression

fRemoveDir

fRename

fReportsAndQueriesDir

Error code

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fCompare (Function)

In french: fCompare

Compares the content of two files bit by bit.

Versions 16 and later

This function is now available for Windows Phone applications.

New in version 16

This function is now available for Windows Phone applications.

Versions 18 and later

This function is now available in Windows Store apps mode.

New in version 18

This function is now available in Windows Store apps mode.

Versions 21 and later

This function is now available in Universal Windows 10 App mode.

New in version 21

This function is now available in Universal Windows 10 App mode.

Example

See additional examples

// Compare the content of two files
Res = fCompare("C:\Directories\FileA.doc", "C:\Directories\FileB.doc")

Syntax

<Result> = fCompare(<Path of file 1> , <Path of file 2>)

<Result>: Integer

0 if the two files are identical or if the two file paths are identical,
1 if the two files are different,
an error code (value less than 0) otherwise.

<Path of file 1>: Character string (with quotes)

Name and full (or relative) path of first file to compare (up to 260 characters). A UNC path can be used.
Versions 15 and later
This parameter can be in Ansi or Unicode format.
New in version 15
This parameter can be in Ansi or Unicode format.
This parameter can be in Ansi or Unicode format.

<Path of file 2>: Character string (with quotes)

Name and full (or relative) path of second file to compare (up to 260 characters). A UNC path can be used.
Versions 15 and later
This parameter can be in Ansi or Unicode format.
New in version 15
This parameter can be in Ansi or Unicode format.
This parameter can be in Ansi or Unicode format.

Remarks

Error code

The following error codes are returned:

-1: <Path of file 1> was not found.
-2: <Path of file 2> was not found.
-3: Error during the comparison:
- one of the files to compare is opened, locked or it does not exist;
- the path of one of the files to compare is invalid;
- the user has no read rights on one of the files to compare;
- insufficient memory to perform the comparison.

To get the details of the error, use ErrorInfo with the errMessage constant.

Component : wd250std.dll