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I found serval node.js projects that have this at top of their app.js (as in this openshift program):
#!/bin/env node What does this mean? How does this work? Where is it useful?
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Speaking of the meaning of the song, Vegard characterizes it as coming from "a genuine wonder of what the fox says, because we didn't know". Although interpreted by some commentators as a reference to the furry fandom, the brothers have stated they did not know about its existence when producing "The Fox".
The most commonly heard red fox vocalizations are a quick series of barks, and a scream-y variation on a howl. All fox vocalizations are higher-pitched than dog vocalizations, partly because foxes are much smaller. The barks are a sort of ow-wow-wow-wow, but very high-pitched, almost yippy.
On your phone, touch and hold the Home button or say "Hey Google." Ask "What's this song?" Play a song or hum, whistle, or sing the melody of a song. Hum, whistle, or sing: Google Assistant will identify potential matches for the song.
The full line from your example is:
#!/bin/env node This simply means that the script should be executed with the first executable named 'node' that's found in your current PATH.
The shebang (#!) at the start means execute the script with what follows. /bin/env is a standard unix program that looks at your current environment. Any argument to it not in a 'name=value' format is a command to execute. See your env manpage for further details.
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env is a shell command used to specify an interpreter.
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