You want to merge the text from all three and save the output to a fourth file, but in alphabetical order. Suppose you have three text files each containing some text. Example 2: Merging text from three files, and saving the output to another file in alphabetical order Please remember that if the destination text file already exists in your system, its contents will be overwritten. In the following image, I am saving the merged text from my three files to a new file textfile4.txt I am then printing the contents of the new file to the screen for you to view: Let us make use of this command and the cat command to save the text from three different text files to a new text file: $ cat > Linux allows you to print the output of a command to a file by using the following syntax: $ > In the following image you can see how the output from my three text files is printed as a single merged output: Open the Ubuntu Terminal by either pressing CTRl+Alt+T or through the Dash, and then enter the following command: $ cat The following use of the CAT command will display the text from all of these files in a single output. All of these files contain a line of text. We have created three sample text files on our system by the name of textfile1.txt, textfile2.txt, and textfile3.txt. Example 1: Merging text from three files to another text file Note: It is a good practice to backup important files before altering their contents. Appending text from the Ubuntu Terminal directly to a text file.Appending text from one text file to another.Merging text from multiple files, and saving the output to another file in alphabetical order.Merging text from multiple text files to a single text file.Let us present a few examples in this article which will help you in understanding the proper usage of the CAT command in the following four scenarios: We have run the commands mentioned in this tutorial on an Ubuntu 18.04 LTS system. This will help you in achieving a power user status on Ubuntu from an average beginner. In this tutorial, you will learn the use of the CAT command to combine text from two or more files into a single one. The merged text can then be saved to another text file. The CAT command in Linux is not only helpful in creating text files, displaying their contents, but also in merging text from two or more text files.
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