There actually is an array in any POSIX shell. You get one array per file/function. It just feels bad to use it. You can abuse ‘set – 1 2 3 4’ to act as a proper array. You can then use ‘for’ without ‘in’ to iterate over it.

for i; do echo $i; done.

Use shift <number> to pop items off.

If I really have to use something more complex, I’ll reach for mkfifo instead so I can guarantee the data can only be consumed once without manipulating entries.

The Buddhist then pulls a gun out from beneath his robes and points it at the hot dog vendor. The vendor exclaims, ‘I thought all Buddhists were peaceful!’ The monk then says, ‘Every monk carries with him his inner piece.’