Can I pipe stdout to the middle of a command with emacs?

Question

The command

emacs -nw foo -f org-mode

opens the file foo in emacs in org-mode.

Now, suppose that the filename foo is the output of a script. How could I pipe to my command?

So, I'm trying to get something like

echo foo | emacs -nw {GET OUTPUT HERE} -f org-mode

to work. Is this possible?

EDIT: This question has been voted to close, but the answer referenced doesn't work and wasn't tested by the user who voted to close.

Answer 1

How about simply using a subshell (as suggested in the comments):

emacs -nw $(<COMMAND GOES HERE>) -f org-mode

For example

emacs -nw $(echo foo) -f org-mode

Will open "foo" in org-mode

Answer 2

Use a read to get the filename from the pipe and then pass it as a variable to your command.

For example, using a shell function (probably not the best name for it, maybe you can think of something better):

emacspipe () {
    local filename
    read filename
    emacs -nw "$filename" -f org-mode
}

Then you can use:

$ echo foo | emacspipe

But using command substitution $(...) like the other answer suggests is definitely a more appropriate way to accomplish the same. If you have a command you can pipe to something, you can just as easily run it in a $(...) block and pass the resulting filename as an argument to the script or function starting emacs...