gistfile1.sh

#!/bin/sh

if [ $# -eq 0 ]; then
	echo this script works when you run it without args
	exit 0
fi

# the parser only reaches this syntactically-invalid line if you pass the script args,
# proving that Bourne-compatible shells don't have separate parse and evaluate passes.
esac ] $(`)"

# if this were most other languages, the program wouldn't run/compile at all