Ako tražite način za usporedbu dviju datoteka u Windows 10/11 bez programa treće strane, imamo način za vas. U ovom vodiču ćemo vam pokazati kako možete usporediti dvije datoteke za promjene pomoću naredbenog retka^{(compare two files for changes with Command Prompt)} u sustavu Windows 10/11.

Možete usporediti dvije datoteke pomoću naredbi za usporedbu^(comp.exe) datoteke fc.exe i comp.exe^(fc.exe) . Možete koristiti fc.exe za usporedbu dvije ASCII ili binarne datoteke na osnovi redak po redak. Windiff.exe uslužni program, alat koji grafički uspoređuje sadržaj dviju ASCII datoteka ili sadržaj dviju mapa koje sadrže ASCII datoteke kako bi provjerio jesu li iste.

Ako želite saznati kako su dvije slične datoteke doživjele promjene tijekom vremena, u sustavu Windows^(Windows) postoji ugrađena naredba koja vam omogućuje usporedbu. Ta naredba je fc. Ova je naredba korisna u usporedbi dviju tekstualnih datoteka i zna kako se mijenjaju u skripti i njezinim modifikacijama. Pomoću naredbe ' fc ' možete usporediti tekstualnu datoteku s njenom najnovijom verzijom ili pronaći promjene na razini skripte u različitim skriptama kao što su Binary , Unicode ili ASCII . Pogledajmo kako možemo koristiti naredbu 'fc' i usporediti dvije datoteke^(Files) za promjene pomoću naredbenog retka^{(Command Prompt)} u Windows 10/11 .

Usporedite dvije ^{(Compare two)} datoteke^(Files) za promjene^(Changes) pomoću naredbenog retka FC.exe

Postoje različiti parametri u naredbi fc koje možete koristiti za postizanje različitih rezultata nakon unosa sintakse u naredbeni redak^{(Command Prompt)} .

Parametri^(Parameters)

Značenje^(Meaning)

Uspoređuje dvije datoteke u binarnom načinu, bajt po bajt, i ne pokušava ponovno sinkronizirati datoteke nakon pronalaska nepodudaranja. 

Zanemaruje velika slova.

Uspoređuje datoteke u ASCII načinu, redak po redak, i pokušava ponovno sinkronizirati datoteke nakon pronalaska nepodudaranja.

/lb<n>

Postavlja broj redaka za interni međuspremnik redaka  na N. Zadana duljina međuspremnika redaka je 100 redaka. Ako datoteke koje uspoređujete imaju više od 100 uzastopnih različitih redaka,  fc  poništava usporedbu.

Prikazuje brojeve redaka tijekom ASCII usporedbe.

Sprječava  fc  pretvaranje tabulatora u razmake.

Uspoređuje datoteke kao Unicode tekstualne datoteke.

Komprimira^(Compresses) bijeli prostor (tj. tabulatore i razmake) tijekom usporedbe. Ako redak sadrži mnogo uzastopnih razmaka ili tabulatora,  /w  tretira ove znakove kao jedan razmak. Kada se koristi s  /w ,  fc  zanemaruje razmak na početku i na kraju retka.

How to compare two Files for changes using Command Prompt

If you are searching for a way to compare two files on Windows 10/11 without any third-раrty program, we have a wаy for you. In this guide, we show you how you can compare two files for changes with Command Prompt on Windows 10/11.

You can compare two files using the fc.exe and the comp.exe file compare commands. You can use fc.exe to compare two ASCII or binary files on a line-by-line basis. windiff.exe utility, a tool that graphically compares the contents of two ASCII files, or the contents of two folders that contain ASCII files, to verify whether they are the same.

If you want to find how two similar files have undergone changes over time, there is a built-in command on Windows that lets you compare. That command is fc. This command is useful in comparing two text files and know how they are changed in its script and its modifications. With ‘fc‘ command, you can compare a text file with its latest version or find changes at the script level in different scripts like Binary, Unicode, or ASCII. Let’s see how we can use ‘fc’ command and compare two Files for changes With Command Prompt on Windows 10/11.

Compare two Files for Changes using FC.exe command-line

There are different parameters in fc command which you can use it to achieve different result after entering the syntax in Command Prompt.

Parameters

Meaning

/aThe parameter displays only the first and last line for each set of differences /b

Compares the two files in binary mode, byte by byte, and does not attempt to resynchronize the files after finding a mismatch. 

/c

Ignores the letter case.

/l

Compares the files in ASCII mode, line-by-line, and attempts to resynchronize the files after finding a mismatch.

/lb<n>

Sets the number of lines for the internal line buffer to N. The default length of the line buffer is 100 lines. If the files that you are comparing have more than 100 consecutive differing lines, fc cancels the comparison.

/n

Displays the line numbers during an ASCII comparison.

/off[line]Doesn’t skip files that have the offline attribute set. /t

Prevents fc from converting tabs to spaces.

/u

Compares files as Unicode text files.

/w

Compresses white space (that is, tabs and spaces) during the comparison. If a line contains many consecutive spaces or tabs, /w treats these characters as a single space. When used with /w, fc ignores white space at the beginning and end of a line.

/

Specifies the number of consecutive lines that must match following a mismatch, before fc considers the files to be resynchronized. 

[:]

[<path1>]

<filename1>

Specifies the location and name of the first file or set of files to compare. filename1 is required.

[:]

[<path2>]

<filename2>

Specifies the location and name of the second file or set of files to compare. filename2 is required.

/?

Displays help at the command prompt.

Usage of the fc command

How do I compare two files in Windows?

You can use fc command to compare two text files for changes or use the windiff.exe utility that comes with the Windows installation. The tool helps you graphically compare the contents of two ASCII files, or the contents of two folders that contain ASCII files, to verify if they are the same or not. You can also compare two text files in Windows using fc command. It has different parameters to do different types of comparisons.

1] If you want to compare two files names June and July in ASCII format and display the result in an abbreviated format, you can use:

fc /a june.rpt july.rpt

2] If you want to make a binary comparison of two bat files named June and July, use the following syntax:

fc /b june.bat july.bat

3] If you want to compare every bat file in a directory with July.bat file, use the following syntax:

fc *.bat july.bat

4] If you want to compare July.bat file on C drive with July.bat file on D drive, you can use:

fc c:july.bat d:*.bat

5] If you want to compare each batch file in the root directory on drive C to the file with the same name in the root directory on drive D, you can use:

fc c:*.bat d:*.bat

These are some of the commonly usable syntax using fc command in Command Prompt. You need to understand the parameters perfectly and write your own syntax if you have special requirements. Microsoft has some detailed explanations of some regularly used fc commands.

Related Read: Useful Commands to Manage Files and Folders using Command Prompt.

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