<fizzie> rm bin/bf; echo $\'#! /bin/bash\\n[[ $# > 0 ]] || { echo "Run what?"; exit 1; }\\nci="$*"\\necho -n "${ci#*!}" | echo /hackenv/interps/egobfi/src/egobfi8 <(echo -n "${ci%%!*}")\' > bin/bf; chmod +x bin/bf

Like the shorter and more familiar strings of stringed musical instruments, the cable of a space elevator has a natural resonant frequency.