使用STDIN从文件中删除Bash，Cowsay命令

Question

I'm still pretty new Linux so I apologize for that. I'm running Fedora, Bash terminal.

I was wondering if there's a way to use STDIN, to print a Cowsay animation to terminal from a file.

For example, if my file is called newfile.txt and the context is:

cowsay -f tux "Keep going"

What's the correct way to use STDIN to read that command from the file and print it to temrinal?

command<newfile.txt

Thanks!

Answer 1

Just do cowsay < <FILE> . Example:

$ echo aoeu > /tmp/FILE
$ cowsay -f tux < /tmp/FILE
 ______
< aoeu >
 ------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

In man cowsay it says:

If run with no arguments, it accepts standard input