Fish script to compile and run c program like go run

crun.fish

# Compile and run c program, just like `go run`
# Usage: crun hello.c
# Put this to ~/.config/fish/config.fish, or create a file in ~/.config/fish/functions/

function crun
  set prog $argv[1]
  set exec (mktemp)
  if gcc $prog -o $exec
		set_color brgreen
		echo -e Compilation success. Running...\n
		set_color normal
	else
		set_color -o red
		echo Compilation failed.
		return
	end
  if $exec
		set_color brgrey
		echo -e \nProgram exited normally.
	else
		set prog_status $status
		set_color -o red
		echo -e \nProgram exited with status code $prog_status.
	end
	rm $exec
end