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I learning how to use git on a Mac and I'm trying to add a file in one of my branches by using the "cat > " command. The problem I'm having is that I want to end editing the file in the terminal but I do not know how to close it. I'm guessing that I need to change "modes" for lack of a better term. How do I proceed?

migrated from stackoverflow.com Oct 11 '10 at 23:13

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  • 3
    cat is not a text editor! Are you trying to be a masochist? xkcd.com/378 – Lie Ryan Oct 11 '10 at 22:57
  • I wouldn't rely on it all the time, but I don't see a problem doing that if all you want is to create a 2- or 3-line script. That's easier than firing up a text editor. – Charles Burge Nov 30 '16 at 22:51
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Press Control-D.

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Type Ctrl+D at the start of a new line. ^D is the "end of file" character when typed from a keyboard.

Note that the ^D character itself is not entered into the file. The file ends just before the point where you type ^D.

  • The Enter shouldn't be pressed on Unix-based systems (though MacOS might be an exception?); this isn't DOS where you have to press Enter after ^Z. You may need to press ^D a second time if you aren't already at the start of the line, though. – Chris Jester-Young Oct 11 '10 at 22:53
  • Indeed. Why did I think you needed to press Enter? Fixed, thanks. – Greg Hewgill Oct 11 '10 at 22:56
  • at the start of a new line - because per POSIX, a line that doesn't end in a newline... isn't actually a line, so a file containing one isn't formally a text file. – underscore_d Oct 2 '16 at 13:46

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