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I need to create a text file (unless it already exists) and write a new line to the file all using bash.
I'm sure it's simple, but could anyone explain this to me?
824
To create a new file, run the "cat" command and then use the redirection operator ">" followed by the name of the file. Now you will be prompted to insert data into this newly created file. Type a line and then press "Ctrl+D" to save the file.
touch fileName – Create an empty file. cat > filename – To create a new text file under Ubuntu, use the cat command followed by the redirection symbol ( > ) and the name of the file you want to create. Press Enter, then type the text and once you are done, press the CRTL+D to save the file.
You can use the cat command to append data or text to a file. The cat command can also append binary data. The main purpose of the cat command is to display data on screen (stdout) or concatenate files under Linux or Unix like operating systems.
Creating a text file in unix can be done through a text editor (vim, emacs, gedit, etc). But what you want might be something like this
echo "insert text here" > myfile.txt That will put the text 'insert text here' into a file myfile.txt. To verify that this worked use the command 'cat'.
cat myfile.txt If you want to append to a file use this
echo "append this text" >> myfile.txt If you love us? You can donate to us via Paypal or buy me a coffee so we can maintain and grow! Thank you!
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