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#Folder file comparison tool how to
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Try changing the numbers or editing the files yourself and play with the file compare tool to see what results you get. Files are too different.” This is because there are more than two consecutive lines of mismatched data. fc /lb2 C:\Users\Martin\Desktop\FCsample.txt C:\Users\Martin\Desktop\FCexercise.txtĪs you can see, you receive an error message which says “Resync Failed. Now, let’s try another comparison in which we will tell FC to stop after 2 lines of mismatched data. Scenario 2 – Compare files in the same folder using File Compare using the “/lbn” switch. In this case, all the text from both documents is shown because they do not match up properly. fc C:\Users\Martin\Desktop\FCsample.txt C:\Users\Martin\Desktop\FCexercise.txt Begin by entering the following command to compare the contents of “FCsample” and “FCexercise.” Remember to substitute the pathname with the name that matches your computer, and remember that command prompt is not case sensitive. In this section, we will do a basic comparison, and then add a few different options. Now that you have your command prompt window open and you have your text files on your desktop, we are ready to do a simple file comparison. Scenario 1 – Compare two text files using File Compare.

Perform a binary comparison of two different files and two identical files.

Compare files in the same folder using File Compare using the “/lbn” switch.

Compare two text files in the same folder using File Compare.

Our tutorial today will cover several simple scenarios which will be elaborated on below. Next, right-click on it and then press “Run as administrator.” While you don’t need to open an elevated command prompt window, it will help you to avoid any pesky confirmation dialog boxes.

#Folder file comparison tool windows 8

Open the start menu in Windows 7 and 10 or open the search function in Windows 8 and search for CMD. Now you will need to open up an elevated command prompt window. For the purposes of this tutorial, we will put all the text documents on the desktop. Once you have downloaded these three documents, you can copy them into any folder on your computer. These documents each contain a paragraph of text with a few similar word groupings.

#Folder file comparison tool download

2 – At least one of the files can’t be found.īefore we get started, you should download our three sample text documents which we will use for the test.

FC FC ĭepending on your command, you will receive one of four %errorlevel% responses. If you want to compare two sets of files instead of two individual files, you can use wildcards (? and *). There are two main options for the File Compare tool that you can use.

#Folder file comparison tool how to

Like every tool in command prompt, you will need to know how to enter your commands with the proper syntax. This is the Pathname parameter in which you will state the location of your files. There is only one parameter you will need to specify, but you will need to enter two instances of it.

/W – If you use this switch, FC will compress white space (tabs and spaces) during its comparison of your files.

/T – This switch will tell FC not to expand tabs to spaces.

This is useful if you want to prevent two files from becoming extremely out of sync.

/ nnnn – Replacing the “n’s” here will tell FC that when it finds mismatched lines, it can only continue if it finds “n” consecutive matching lines after the mismatch.

The default, if you do not specify a number is 100 lines of mismatched text.

/LB n – Replace the “n” with a number to limit the amount of consecutive different lines that FC will read before it will abort.

/N – This switch can only be used with ASCII but it will show all the corresponding line numbers.

/L – This will compare your files as ASCII text.

/U – Use this switch to compare files as Unicode text files.

/A – This switch will make FC show only the first and last lines for each group of differences.

/C – If you need to do a case insensitive comparison, use this switch.

/B – This switch will perform a binary comparison.