Render the POSIX shell script for one stub. printf '%s' (not echo) prints the decoded bytes with no added trailing newline and no backslash/-n surprises, so the fixture round-trips byte-for-byte.
printf '%s'
echo
-n
Render the POSIX shell script for one stub.
printf '%s'(notecho) prints the decoded bytes with no added trailing newline and no backslash/-nsurprises, so the fixture round-trips byte-for-byte.