Comp Command In Windows Server 2008

This article describes how to use Comp command in Windows Server 2008 operating system.
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Introduction

Comp command is available in Windows Server 2008, Windows 7, Windows Vista, Windows XP. Comp command is used to compare the contents of  two files or group of files to find the information that does not match. Files to be compared can have the same name or different names.

Syntax

comp [<data1>] [<data2>] [/d] [/a] [/l] [/n=<number>] [/c]

In above syntax

Parameters Description
<data1> Defines the location and name of the first file or group of files to be compared.
<data2> Defines the location and name of another file or group of files to be compared.
/d Displays the differences between compared files in decimal format. The default format is hexadecimal.
/a Displays differences as ASCII characters.
/l Displays the number of lines where the difference occurred, rather displaying the byte offset.
/n=<number> Allows you to enter the number of lines to be compared of each file.
/c Performs a comparison that is not case sensitive.
/off [line] Do not leave the file with offline attribute.

Note- Wildcard characters (? and *) can be used to specify set of files to be compared.

Example

Compare the Report1.txt file on drive D: with  Report2.txt file on same drive, enter the following text:

comp D:\Report1.txt  Report2.txt

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