The only trick, then, is to find the end of the script and, thus, the start of the payload. Consider this file, deliver.sh: #!/bin/bash WORKDIR=$( mktemp -d ) #find last line +1 SCRIPT_END=$( awk ...

The command line—that hidden world of code behind your Mac’s pretty face—sometimes offers a quicker way to do everyday tasks, plus it’s just a cool way to establish your tech cred.