Wide_Character - containing the set of ISO-10646 BMP characters. After reading, the line is split into words according to the value of the special shell variable IFS, the internal field separator. I know how to read one word at a time, but I don't know how to read one line at a time or how to read the whole text file. Instead of reading the file line-by-line, we use the ReadAll method to read the entire text file in one fell swoop, storing the contents of that file in the variable strText. If the file is short enough, then you’ll see the entire text just displayed flat on the screen. There are various ways to view text files in Linux terminal.. The while loop is the best way to read a file line by line in Linux.. If you just want to read the file content, go in the file directory and type . head filename.txt cat filename.txt or. more filename.txt or. I didn't downvote you, but the person who did probably had these reasons: (1) This doesn’t do what the question asks for. Close (File => Text_File); end Read_Entire_File; Character encodings and their handling are not really specified in Ada. Description. My text file named (Read) contains the following: I love to play games I love reading I have 2 books. less RESULTS.txt If you want to read and edit the text file, from the same directory type. The easiest way to view any text file is to type cat followed by the name of the file. Otherwise, it will start to scroll up. To Read File line by line in Bash Scripting, following are some of the ways explained in detail. Tools for handling text files on unix are basic, everyday-commands: In unix and linux to print out whole content in file. This is what I have accomplished so far: read reads a single line from standard input, or from the file descriptor fd if the -u option is used (see -u, below).. By default, read considers a newline character as the end of a line, but this can be changed using the -d option. less filename.txt For last few lines. If you need to read a file line by line and perform some action with each line – then you should use a while read line construction in Bash, as this is the most proper way to do the necessary.. Method 1: Viewing a Regular Text File. Example – Using While Loop. tail filename.txt For first few lines. I use this when I want the lines to be copied verbatim into the array , which is useful when I don’t need to parse the lines before placing them into the array. It is not practical to read each word. The most efficient (and simplest) way to read all lines of file into an array is with the ‘readarray’ built-in bash command. Fortunately, on modern devices, you can maximize the terminal window to add more space. What if my file contains 1000 words? When you are new to Linux, you try to use the cat command all the time to read the content of a file. Here’s the part you’re really interested in. 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